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AR Coated Laser Windows. . . . . . . . 10

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T

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55.5° ▲

AR Coated Infrared Windows. . . . . . 12

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Plane Parallel Windows . . . . . . . . . . 15 Interferometer Flats . . . . . . . . . . . . . 21 Rectangular Windows . . . . . . . . . . . 24 Brewster Windows. . . . . . . . . . . . . . 26

Ultrafast Components

Coverplates & Protective Windows . . 27

Polarizers

Elliptical Windows . . . . . . . . . . . . . . 26

Waveplates

Square Windows . . . . . . . . . . . . . . . 25

Beamsplitters

Large Wedge Windows . . . . . . . . . . 22

Mirrors

Plane Windows . . . . . . . . . . . . . . . . 17

Lenses

AR Coated Excimer Windows. . . . . . 14

Prisms

▲

D

Windows

Antireflection Coatings. . . . . . . . . . . . 6

Intro

Windows

Etalons

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θd ▲

α

Filters

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Interferometer Accessories

θr

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Mounts Appendix Index

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Intro

Antireflection Coatings Largest selection of designs, 193nm-13.5µm User-specified wavelengths Optimal design is automatically provided on CVI partial reflectors, beamsplitters, and dichroics Single layer, V-type, BBAR, and special designs R < 0.25%, 0°, at single wavelengths R < 0.5% avg, 0°, over wide ranges Coatings available optimized for 45° with high durability and damage threshold Antireflection (AR) coatings are required to

R < 0.25%, 0º, over wide ranges on sapphire, Nd:YAG, and high index glasses R < 0.25%, 45ºP on crown glass and fused silica The CVI single layer MgF2 AR coating is an excellent choice for use on high index materials at normal incidence. Such materials include sapphire, Nd:YAG, ruby, and SF10 and SF11 glasses. On crown glass or fused silica, the MgF2 index of about 1.38 is too high to provide a good

R < 0.25% at design wavelength, 0º R < 0.75% at design wavelength, 45º unpolarized Included on the second surface of all CVI single line beam splitters and partial reflectors All laser wavelengths available Highest durability and damage threshold CVI's V-type AR coatings are the best choice for a single laser wavelength or multiple, closely-spaced wavelengths. Examples are the principle argon

impedance match at the air-glass interface,

stray light, and prevent back reflections.

yielding a residual reflectivity of about

Stray light in the wrong place can swamp

1.3%. For these materials, V-type and

the desired signal, making a measurement

BBAR coatings with reflectivities from

impossible. Reflected laser beams can

0.25% to 0.5% are the best choice at

burn absorbing surfaces, form unwanted

normal incidence. Shown below are

CVI will manufacture V-type AR coatings

foci, and pose safety hazards, while

graphs of the performance of MgF2 on

for wavelengths from 193nm to 10.6µm.

back-reflected beams can destabilize laser oscillators. For these reasons, obtaining

and at 45°P on glass and fused silica.

threshold of 15J/cm2 at 1064nm, 20ns, 20Hz. Typical performance can often

Single Layer MgF2 AR Designs for 0°

exceed 20J/cm2.

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scientists and engineers choose the proper

design to solve almost any AR coating

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Damage thresholds for AR coatings on

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SF11 and similar glasses are limited not

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by the coating, but by the bulk material

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requirement. V-type AR and Broadband

properties. Our damage testing has shown a damage threshold for SF11 and similar

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AR designs are available from 193nm to

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13.5µm. CVI antireflection coatings are

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the most durable and damage resistant in the industry.

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Antireflection coatings can be divided AR coatings, V-type AR coatings, BBAR coatings, and special purpose AR coatings.

glasses to be 4J/cm2. When ordering, be sure to specify the

Single Layer MgF2 AR Designs for 45°

roughly into 4 categories: Single layer

V-type AR coatings on Fused Silica, Crystal Quartz, Suprasil, and BK7 have a damage

factor in system success. CVI offers over

AR coating for optimum performance.

neodymium transitions in a variety of individual excimer laser lines.

the proper AR coating can be a critical thirty years of experience in helping

laser lines at 488nm and 515nm, the host materials at 1047-1064nm, and the

different materials at normal incidence,

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Filters Interferometer Accessories Mounts

2. V-type Antireflection Coatings

reduce overall transmission loss, minimize

CVI can provide a standard or custom

Appendix

1. Single Layer MgF2 Coatings

following: Wavelength Substrate material Angle of incidence Polarization Fluence in J/cm2

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Etalons

Ultrafast Components

Polarizers

Waveplates

Beamsplitters

Mirrors

Lenses

Prisms

Windows

Technical Notes

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Index

6

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Intro

Antireflection Coatings Technical Notes damage resistant, electron beam deposited

3. Double-V and Triple-V AR Coatings

dielectrics are used exclusively as coating

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Available at Nd:YAG wavelengths 1064nm, 532nm, and 355nm Double-V: R < 0.3% at 1064nm, 0º R < 0.6% at 532nm, 0º Damage threshold for Double-V 5J/cm2 at 532nm 10J/cm2 at 1064nm Triple-V: R < 0.3% at 1064nm, 0º R < 0.6% at 532nm, 0º R < 1.5% at 355nm, 0º

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design and dispersion, they do not fall exactly at a wavelength ratio of 1 : 1/2 : 1/3. Consequently, the reflectivity specifications of these AR coatings are not as good as V coatings for any one wavelength. CVI offers these Double-V coatings on W2 windows

CVI offers Double-V and Triple-V multilayer

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AR coatings for use in Nd:YAG laser ��

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Contact CVI for the performance of 45° Double-V and Triple-V AR coatings or for other harmonic combinations.

systems at normal incidence. Highly

Waveplates

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V-Type AR Designs for 45° ��

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Beamsplitters

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quite narrow. Also, due to the coating

Mirrors

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antireflection peaks at the harmonics are

Lenses

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materials. As shown in the curves, the Prisms

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V-Type AR Designs for 0°

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Index

continued

Appendix

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7

Intro

Antireflection Coatings

Mirrors

Lenses

Prisms

Windows

Technical Notes 4. Broadband Antireflection Coatings R < 0.5% average over very wide ranges at 0° R < 1.5% for 45°UNP R < 3.0% for 45°S R < 0.5% for 45°P Eleven standard designs covering UV to IR Custom wavelength bands available

shown. Typical performance curves are

BBAR Selector Data

shown in the graphs on the following

UV, VIS, NIR, and IR Regions CVI offers six overlapping designs covering the entire range from 193nm to 1600nm. This includes very broad coverage of the entire Ti:Sapphire region through the near IR. In addition, the mid to far IR regions are available from standard CVI BBAR coatings

CVI offers broadband antireflection

page. Many research and instrumentation applications can be covered by a single judicious choice of region. If your application cannot be covered by a standard design, CVI can provide a special BBAR coating design.

CVI Standard Broadband Antireflection Coatings

Polarizers

Waveplates

Beamsplitters

(BBAR) coatings optimized to your specifications over the entire range of

ZnSe (8-12µm)

193nm to 13.5µm. A selection chart is provided on this page showing CVI Ge (8-12µm)

standard coating ranges. If your tuning range or wavelength band falls within the bold lines on the selection

Si (2-5µm)

chart, CVI can manufacture a special BBAR coating for you. ZnSe (3.5-5µm)

Etalons

Ultrafast Components

BBAR coatings are often designed by inserting a half wave thick "absentee" layer between the layers of a V-type AR coating.

Ge (3.5-5µm)

This dramatically broadens the range of effectiveness of the AR coating. CVI guarantees that the average reflectance of

1050-1600nm

most BBAR coatings will be less than 0.5% Filters

at normal incidence. 670-1064nm

For the lowest possible reflectance

Mounts

Interferometer Accessories

at a single wavelength, the V-type antireflection coating is the best choice.

425-675nm

In many applications, however, the BBAR coating will work extremely well, with the 355-532nm

added advantage of a wider range of use. Contact CVI for details regarding specialty

Appendix

BBAR designs including the Super BBAR

248-355nm

400-1100nm and the visible/1064nm combination coating. 193-248nm

Index

Typical damage threshold is 10J/cm2 at

8

1064nm.

0.1

0.4

0.7

1.0

3.0

6.0

10

20

Wavelength (µm) Americas (505) 296 -9541

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Intro

Antireflection Coatings Technical Notes

Windows

UV region Broadband AR coating designs for 0° ��

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Ultrafast Components

IR region Broadband AR coating designs for 0° ��

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Interferometer Accessories

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Typical Broadband AR coating designs for 45°S and 45°P ��

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Index

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Appendix

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Mounts

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Polarizers

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Waveplates

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Beamsplitters

VIS and near IR region Broadband AR coating designs for 0°

9

W1, W2

Windows

Intro

Laser Windows �

Substrate Material UV grade fused silica, UV grade CaF2, and BK7 glass

Prisms

Transmitted Wavefront Distortion λ/10 p-v at 633nm Surface Quality Fused silica and BK7: 10-5 CVI Laser Quality �

CaF2: 20-10 CVI Laser Quality

l 430

l 430

Diameter Tolerance + 0.00mm, − 0.25mm Lenses

Thickness Tolerance ± 0.25mm Wedge ≤ 10 seconds, ≤ 5 minutes, or 30 ± 5 minutes Chamfer 0.35mm at 45° typical, 0.85mm at 45° for Ø > 2.0”

Mirrors

Sample cell and vacuum

Antireflection Coating Single wavelength: R ≤ 0.25% per surface at 0°

chamber windows

Broadband AR: Ravg ≤ 0.50% per surface at 0° Dual wavelength: R ≤ 0.30% at 1064nm at 0° and

Output couplers for high

Beamsplitters

gain lasers

R ≤ 0.60% at 532nm at 0°

Achromatic beam sampling by

Coating Technology Electron beam multilayer dielectric

using Fresnel reflection from

Adhesion and Durability Per MIL-C-675C. Insoluble in lab solvents.

Waveplates

uncoated surface:

Clear Aperture Exceeds central 85% of diameter

R ≅ 4% at normal incidence

Angle of Incidence User Specified

RS ≅ 10% for 45° S-polarization

Damage Threshold Single wavelength: 15J/cm2, 20ns, 20Hz at 1064nm

RP ≅ 1% for 45° P-polarization

Broadband AR: 10J/cm2, 20ns, 20Hz at 1064nm;

Polarizers

For additional substrate material information 425-437

1MW/cm2, CW at 1064nm

l

Dual wavelength: 5J/cm2, 20ns, 20Hz at 532nm

All CVI low loss, high damage

10J/cm2, 20ns, 20Hz at 1064nm

available

l 6-9

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Mirror Mounts are

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l 357

Filters

Etalons

available

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Ultrafast Components

threshold AR coatings

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Interferometer Accessories

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Index

Reflectivity vs. Wavelength of 1064nm V-type AR coating Americas (505) 296 -9541

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W2 W1

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Reflectivity vs. Wavelength of 248nm V-type AR coating

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Reflectivity vs. Wavelength of 193nm V-type AR coating

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Reflectivity vs. Wavelength of 1550nm V-type AR coating

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W1, W2 PW

1025

C

1064

Windows

W1

Intro

How To Order

Laser Windows 45S

Prisms

Product Code Window, one surface AR Coated

W2

Window, both surfaces AR Coated

Lenses

W1

Wedge

30 arc minutes ± 5 arc minutes

Size Code

Diameter

Thickness

0525

0.500"

0.250"

0725

0.750"

0.250"

0924

25.0mm

6.0mm

1025

1.000"

0.250"

1525

1.500"

0.250"

1940

50.0mm

10.0mm

2025

2.000"

0.250"

3050

3.000"

0.500"

4050

4.000"

0.500"

Ultrafast Components

IF

Polarizers

<5 arc minutes

Waveplates

PW

Beamsplitters

<10 arc seconds

Mirrors

PW1

Substrate Material VUV grade CaF2

UV

UV grade fused silica

C

BK7 glass

AR Coating Wavelength nm

l 6-9

425-675

670-1064

830

1053/527

1090

1900

213

248-355

488-515

694

1030

1064

1100

2100

248

351

527

755

1047

1064/532

1550

266

355

532

780

1050-1600

1070

1850

308

355-532

633

800

1053

1080

Interferometer Accessories

325

Filters

193

Etalons

CFUV

Angle of Incidence in Degrees with Polarization 45S

45 degrees, S polarization

45P

45 degrees, P polarization

45UNP

45 degrees, Unpolarized

Appendix

Normal incidence

Mounts

0

Index

Other dimensions available in prototype and production quantities. Americas (505) 296 -9541

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W2 W1

11

IW1, IW2

Windows

Intro

Infrared Laser Windows �

2µm - 2.5µm region Substrate Material Si, ZnS, ZnSe, or CaF2 Surface Quality 40-20 per MIL-PRF-13830B

Prisms

Diameter Tolerance + 0.00mm, − 0.25mm Thickness Tolerance ± 0.25mm

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Wedge < 5 minutes Lenses

Chamfer 0.35mm at 45° typical 3.5µm - 5µm region Substrate Material Si, Ge, ZnS, or ZnSe

Mirrors

Remote sensing

Surface Quality 40-20 per MIL-PRF-13830B

Thermal imaging at high thermal

Diameter Tolerance + 0.00mm, − 0.25mm Thickness Tolerance ± 0.25mm

and local resolution

Wedge < 5 minutes

Beamsplitters

Medical thermography

Chamfer 0.35mm at 45° typical

Surveillance and security Industrial process control

Waveplates

AR coatings available

l

8µm - 12µm region

6-9

Substrate Material Ge, ZnS, or ZnSe Surface Quality 40-20 per MIL-PRF-13830B

CVI offers a complete line of antireflective

Diameter Tolerance + 0.00mm, − 0.25mm

coatings for the 3-5µm and 8-12µm regions

Thickness Tolerance ± 0.25mm

Polarizers

on germanium, silicon, ZnS, ZnSe and other

Wedge < 5 minutes

IR transmitting materials. We specialize in

Ultrafast Components

high efficiency, non-thoriated antireflection coatings with outstanding environmental characteristics. All of our high durability coatings will pass the 10-days humidity

Etalons

test as specified in MILSTD-810C Method

Chamfer 0.35mm at 45° typical Coating Technology Electron beam multilayer dielectric Antireflection Coating Single wavelength: R < 0.25% at 0° Broadband AR: R avg < 0.60% at 0° Transmitted Wavefront Distortion λ/20 p-v at 10.6µm, calculated Adhesion and Durability Per MIL-C-48497A

507, Procedure I, and the 24 hours salt spray test as specified in MIL-M-13508. The

Clear Aperture Exceeds central 85% of diameter Angle of Incidence User Specified

coatings will also pass the severe abrasion Filters

test of MIL-F- 48616 on substrates with a sufficiently high Knoop number. Please

Interferometer Accessories

specify these at the time of your order.

Laser Windows - 2.94µm, 4.6µm, and 10.6µm Substrate Material ZnSe Surface Quality 40-20 per MIL-PRF-13830B

Our non-radioactive, high-efficiency and

Diameter Tolerance + 0.00mm, − 0.25mm

high-durability antireflection coating on

Thickness Tolerance ± 0.25mm

Mounts

germanium (HEHD) is unique in combining coating with the spectral characteristics

Appendix

required from an interior element. Custom coatings and bandwidths are available. Call for specifications, pricing and

Americas (505) 296 -9541

Coating Technology Electron beam multilayer dielectric Antireflection Coating Single wavelength: R < 0.25% at 0° Transmitted Wavefront Distortion λ/20 p-v at 10.6µm, calculated Adhesion and Durability Per MIL-C-48497A Angle of Incidence User Specified

Index

IW2 IW1

Chamfer 0.35mm at 45° typical

Clear Aperture Exceeds central 85% of diameter

delivery.

12

Wedge < 5 minutes

the environmental durability of an exterior

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IW1, IW2 PW

1112

ZNSE

10.6

Windows

IW1

Intro

How To Order

Infrared Laser Windows 0

Product Code Window, one surface AR Coated

IW2

Window, both surfaces AR Coated

Prisms

IW1

Wedge Lenses

<5 arc minutes

Size Code

Diameter (mm)

Thickness (mm)

0508

0.500" (12.7)

0.079" (2.0)

0708

0.750" (19.1)

0.079" (2.0)

1012

1.000" (25.4)

0.125" (3.2)

1112

1.098" (27.9)

0.125" (3.2)

1512

1.500" (38.1)

0.125" (3.2)

2020

2.000" (50.8)

0.197" (5.0)

Mirrors

PW

Beamsplitters Waveplates

Substrate Material IR grade CaF2

GE

Ge

ZNSE

ZnSe

SI

Si

Polarizers

CFIR

AR Coating Wavelength µm 2.94

l 6-9

3.5-5.0

4.6

8.0-12.0

Ultrafast Components

2.0-2.5

10.6

Angle of Incidence in Degrees with Polarization Normal incidence

45S

45 degrees, S polarization

45P

45 degrees, P polarization

45UNP

45 degrees, Unpolarized

Etalons

0

Filters

Other dimensions available in prototype and production quantities.

Interferometer Accessories

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BBAR at 3.5-5µm for Ge, ZnSe, and Si |

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Index

Americas (505) 296 -9541

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AR at 10.6µm for ZnSe

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BBAR at 8-12µm for Ge and ZnSe

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IW2 IW1

13

EW1, EW2

Windows

Intro

Excimer Laser Windows ��

Substrate Material UV grade MgF2 or UV grade CaF2

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Prisms

Transmitted Wavefront Distortion λ/10 p-v at 633nm

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Surface Quality 20-10 CVI Laser Quality defined on page 430

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Diameter Tolerance + 0.00mm, − 0.25mm

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Thickness Tolerance ± 0.25mm

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Wedge ≤ 10 seconds or ≤ 5 minutes

Lenses

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Chamfer 0.35mm at 45° typical

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Adhesion and Durability Per MIL-C-675C. Insoluble in lab solvents.

Mirrors

Reflectivity vs. Wavelength of 308nm Excimer Laser Window.

Clear Aperture Exceeds central 85% of diameter Angle of Incidence User specified

Other dimensions available in

Beamsplitters

prototype and production quantities

How To Order

Waveplates

Coating Technology Electron beam multilayer dielectric

Damage Threshold 1J/cm2, 8nsec pulse at 248nm

EW2

PW

1025

CFUV

193

45S

Polarizers

Product Code EW1

Window, one surface AR coated

EW2

Window, both surfaces AR coated

Wedge PW1 ≤10 arc seconds

Filters

Etalons

Ultrafast Components

PW

≤ 5 arc minutes

Size Code 0525 1025 1419 1519 2019

Diameter 0.500" 1.000" 36.0mm 1.500" 2.000"

Thickness 0.250" 0.250" 5.0mm 5.0mm 5.0mm

2037

2.000"

0.375"

Interferometer Accessories

Substrate Material CFUV

VUV grade CaF2

MF

VUV grade MgF2

l

Mounts

AR Coating Wavelength nm 6-9 193 R ≤ 0.50% per surface at 0° 248 R ≤ 0.25% per surface at 0° 308 R ≤ 0.25% per surface at 0°

Appendix

351-353 R ≤ 0.25% per surface at 0° Angle of Incidence in Degrees with Polarization

Index

0

14

Normal incidence

45S

45 degrees, S polarization

45P

45 degrees, P polarization

45UNP 45 degrees, Unpolarized EW2 EW1

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PW1

Windows

�

Intro

Plane Parallel Windows Substrate Material UV grade MgF2, UV grade CaF2, IR grade CaF2, Suprasil 1, UV grade fused silica, or BK7 glass Diameter Tolerance + 0.00mm, − 0.25mm

Prisms

Thickness Tolerance ± 0.25mm Wedge ≤ 10 seconds

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Chamfer 0.35mm at 45° typical, 0.85mm at 45° for Ø > 2.0”

Extremely parallel wedge, Minimal angular deviation of

several coated products, such as, W1, W2,

window substrate, polished on two

beamsplitters, output couplers, harmonic

sides, with a wedge of ≤ 10 seconds.

separators, dichroic mirrors, and partial

Therefore, they form the foundation for

reflectors. Beamsplitters

transmitted beam

PW1, by CVI definition, is an uncoated

Mirrors

≤ 10 seconds of arc

Lenses

Clear Aperture Exceeds central 85% of diameter

Minimum misalignment errors when window is repeatedly inserted and removed

How To Order

PW1

1519

CFUV

Waveplates

For additional substrate material information

Product Code

l 425-437

Size Code

Polarizers

Substrate Material

Ultrafast Components

Plane Parallel Windows, Wedge ≤ 10 seconds Transmitted Wavefront at 633nm

Surface Quality

Material

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

20-10 20-10 20-10 20-10 20-10 20-10

VUV MgF2 VUV MgF2 VUV MgF2 VUV MgF2 VUV MgF2 VUV MgF2

0.500" 1.000" 36.0mm 1.500" 2.000" 2.000"

0.250" 0.250" 5.0mm 5.0mm 5.0mm 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

20-10 20-10 20-10 20-10 20-10 20-10

VUV CaF2 VUV CaF2 VUV CaF2 VUV CaF2 VUV CaF2 VUV CaF2

0.500" 1.000" 36.0mm 1.500" 2.000"

0.250" 0.250" 5.0mm 0.375" 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10

10-5 10-5 10-5 10-5 10-5

Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1

Mounts

0.250" 0.250" 5.0mm 5.0mm 5.0mm 0.375"

Interferometer Accessories

0.500" 1.000" 36.0mm 1.500" 2.000" 2.000"

Filters Appendix Index

VUV Grade MgF2 PW1-0525-MF PW1-1025-MF PW1-1419-MF PW1-1519-MF PW1-2019-MF PW1-2037-MF VUV Grade CaF2 PW1-0525-CFUV PW1-1025-CFUV PW1-1419-CFUV PW1-1519-CFUV PW1-2019-CFUV PW1-2037-CFUV Suprasil 1 PW1-0525-SS PW1-1025-SS PW1-1419-SS PW1-1537-SS PW1-2037-SS

Thickness T

Etalons

Diameter D

Part Number

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PW1

15

Intro Windows

Plane Parallel Windows, Wedge ≤ 10 seconds Diameter D

Index

Appendix

Mounts

Interferometer Accessories

Filters

Etalons

Ultrafast Components

Polarizers

Waveplates

Beamsplitters

Mirrors

Lenses

Prisms

Part Number

16

PW1

Plane Parallel Windows

Fused Silica PW1-0525-UV PW1-0537-UV PW1-0643-UV PW1-0725-UV PW1-0737-UV PW1-1004-UV PW1-1012-UV PW1-1025-UV PW1-1037-UV PW1-1419-UV PW1-1525-UV PW1-1537-UV PW1-2025-UV PW1-2037-UV PW1-2050-UV PW1-3037-UV PW1-3050-UV PW1-4037-UV PW1-4050-UV PW1-6010-UV BK7 PW1-0316-C PW1-0525-C PW1-0537-C PW1-0643-C PW1-0725-C PW1-0737-C PW1-1004-C PW1-1025-C PW1-1037-C PW1-1512-C PW1-1525-C PW1-1537-C PW1-2025-C PW1-2037-C PW1-2050-C PW1-3037-C PW1-3050-C PW1-4037-C PW1-4050-C PW1-6010-C IR Grade CaF2 PW1-0525-CFIR PW1-1025-CFIR PW1-1419-CFIR PW1-1519-CFIR PW1-2019-CFIR PW1-2025-CFIR PW1-2037-CFIR

PW1 Americas (505) 296 -9541

|

Thickness T

Transmitted Wavefront at 633nm

Surface Quality

0.500" 0.500" 15.0mm 0.750" 0.750" 1.000" 1.000" 1.000" 1.000" 36.0mm 1.500" 1.500" 2.000" 2.000" 2.000" 3.000" 3.000" 4.000" 4.000" 6.000"

0.250" 0.375" 11.0mm 0.250" 0.375" 1.0mm 0.125" 0.250" 0.375" 5.0mm 0.250" 0.375" 0.250" 0.375" 0.500" 0.375" 0.500" 0.375" 0.500" 1.000"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4

10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

7.75mm 0.500" 0.500" 15.0mm 0.750" 0.750" 1.000" 1.000" 1.000" 1.500" 1.500" 1.500" 2.000" 2.000" 2.000" 3.000" 3.000" 4.000" 4.000" 6.000"

4.0mm 0.250" 0.375" 11.0mm 0.250" 0.375" 1.0mm 0.250" 0.375" 0.125" 0.250" 0.375" 0.250" 0.375" 0.500" 0.375" 0.500" 0.375" 0.500" 1.000"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/10 λ/10 λ/4 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4

10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5

BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7

0.500" 1.000" 36.0mm 1.500" 2.000" 2.000" 2.000"

0.250" 0.250" 5.0mm 5.0mm 5.0mm 0.250" 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

20-10 20-10 20-10 20-10 20-10 20-10 20-10

IR CaF2 IR CaF2 IR CaF2 IR CaF2 IR CaF2 IR CaF2 IR CaF2

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Material

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PW

Windows

�

Intro

Plane Windows Substrate Material VUV grade MgF2, VUV grade CaF2, Crystal Quartz, Suprasil 1, UV grade fused silica, BK7 glass, Infrasil 302, Sapphire, IR grade CaF2, Ge, ZnSe, Si

Prisms

Diameter Tolerance + 0.00mm, − 0.25mm �

Thickness Tolerance ± 0.25mm Wedge ≤ 5 minutes

Lenses

Chamfer 0.35mm at 45° typical, 0.85mm at 45° for Ø > 2.0” Clear Aperture Exceeds central 85% of diameter General purpose laser Contact CVI for (0001) orientation Use Infrasil for Near-infared

coated products, such as, W1, W2,

window substrate, polished on two sides,

beamsplitters, output couplers, harmonic

with a wedge of ≤ 5 minutes. Therefore,

separators, dichroic mirrors, and partial

they form the foundation for several

reflectors.

Beamsplitters

single crystal sapphire

PW, by CVI definition, is an uncoated

Mirrors

quality windows

applications up to 2.5µm Laser and sample chamber windows

Waveplates

Beam sampling Detector housings For additional substrate material

l 425-437

PW

1508

UV

Polarizers

information

How To Order Product Code Size Code

Ultrafast Components

Substrate Material

Part Number

Transmitted Wavefront at 633nm

Surface Quality

0.500" 1.000" 36.0mm 1.500" 2.000" 2.000"

0.250" 0.250" 5.00mm 5.0mm 5.0mm 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

20-10 20-10 20-10 20-10 20-10 20-10

VUV MgF2 VUV MgF2 VUV MgF2 VUV MgF2 VUV MgF2 VUV MgF2

0.500" 1.000" 36.0mm 1.500" 2.000" 2.000"

0.250" 0.250" 5.0mm 5.0mm 5.0mm 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

20-10 20-10 20-10 20-10 20-10 20-10

VUV CaF2 VUV CaF2 VUV CaF2 VUV CaF2 VUV CaF2 VUV CaF2

0.500" 1.000" 1.500"

2.0mm 2.5mm 5.0mm

λ/10 λ/10 λ/10

10-5 10-5 10-5

Crystal Quartz Crystal Quartz Crystal Quartz

Material

Interferometer Accessories

Thickness T

Filters Mounts Appendix Index

VUV Grade MgF2 PW-0525-MF PW-1025-MF PW-1419-MF PW-1519-MF PW-2019-MF PW-2037-MF VUV Grade CaF2 PW-0525-CFUV PW-1025-CFUV PW-1419-CFUV PW-1519-CFUV PW-2019-CFUV PW-2037-CFUV Crystal Quartz PW-0508-CQ PW-1010-CQ PW-1519-CQ

Diameter D

Etalons

Plane Windows, Wedge ≤ 5 minutes

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PW

17

PW

Windows

Intro

Plane Windows Plane Windows, Wedge ≤ 5 minutes Diameter D

Part Number

Filters

Etalons

Ultrafast Components

Polarizers

Waveplates

Beamsplitters

Mirrors

Lenses

Prisms

Suprasil 1 PW-0525-SS PW-1025-SS PW-1037-SS PW-1419-SS PW-1537-SS PW-2025-SS PW-2037-SS Fused Silica PW-0316-UV PW-0412-UV PW-0508-UV PW-0512-UV PW-0525-UV PW-0537-UV PW-0604-UV PW-0643-UV PW-0705-UV PW-0712-UV PW-0716-UV PW-0725-UV PW-0737-UV PW-0825-UV PW-0908-UV PW-0925-UV PW-1004-UV PW-1006-UV PW-1012-UV PW-1025-UV PW-1032-UV PW-1037-UV PW-1225-UV PW-1419-UV

Appendix

Mounts

Interferometer Accessories

PW-1508-UV PW-1512-UV PW-1525-UV PW-1537-UV PW-1550-UV PW-1625-UV PW-1725-UV PW-1925-UV PW-2008-UV PW-2012-UV PW-2025-UV PW-2037-UV PW-2050-UV

Thickness T

Transmitted Wavefront at 633nm

Surface Quality

Material

0.500" 1.000" 1.000" 36.0mm 1.500" 2.000" 2.000"

0.250" 0.250" 0.375" 5.0mm 0.375" 0.250" 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

10-5 10-5 10-5 10-5 10-5 10-5 10-5

Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1

7.75mm 10.0mm 0.500" 0.500" 0.500" 0.500" 15.0mm 15.0mm 0.750" 0.750" 0.750" 0.750" 0.750" 20.0mm 25.0mm 25.0mm 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 30.0mm 36.0mm

4.0mm 0.125" 2.0mm 0.125" 0.250" 0.375" 1.0mm 11.0mm 0.059" 0.125" 0.165" 0.250" 0.375" 0.250" 2.0mm 0.250" 1.0mm 0.063" 0.125" 0.250" 8.0mm 0.375" 0.250" 5.0mm

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/2 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

1.500" 1.500" 1.500" 1.500" 1.500" 40.0mm 1.750" 50.0mm 2.000" 2.000" 2.000" 2.000" 2.000"

2.0mm 0.125" 0.250" 0.375" 0.500" 0.250" 0.250" 0.250" 2.0mm 0.125" 0.250" 0.375" 0.500"

λ/4 λ/4 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4 λ/10 λ/10 λ/10

10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

Index

continued

18

PW

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PW

Intro

Plane Windows

Windows

Plane Windows, Wedge ≤ 5 minutes Diameter D

Part Number

Transmitted Wavefront at 633nm

Surface Quality

Material

λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4

10-5 10-5 10-5 10-5 10-5 10-5 10-5

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

7.75mm 10.0mm 0.500" 0.500" 0.500" 0.500" 0.500" 15.0mm 0.750" 0.750" 0.750" 0.750" 20.0mm 25.0mm 25.0mm 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 30.0mm 1.500" 1.500" 1.500" 40.0mm 50.0mm 2.000" 2.000" 2.000" 2.000" 3.000" 3.000" 4.000" 4.000" 6.000" 8.000"

4.0mm 0.125" 1.0mm 2.0mm 0.125" 0.250" 0.375" 11.0mm 1.0mm 0.125" 0.250" 0.375" 0.250" 1.0mm 2.0mm 0.063" 0.070" 2.0mm 0.125" 0.250" 8.0mm 0.375" 0.250" 0.125" 0.250" 0.375" 0.250" 0.250" 0.125" 0.250" 0.375" 0.500" 0.375" 0.500" 0.375" 0.500" 1.000" 1.000"

λ/10 λ/10 λ/4 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/10 λ/10 λ/10 λ/10 λ/4 λ/10 λ/10 λ/10 λ/10 λ/2 λ/4 λ/10 λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4

10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 10-5 20-10 20-10

BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7

Mirrors

0.375" 0.500" 0.375" 0.500" 0.750" 1.000" 1.000"

Lenses

3.000" 3.000" 4.000" 4.000" 5.000" 6.000" 8.000"

Prisms Beamsplitters Waveplates Polarizers Ultrafast Components Etalons Filters Interferometer Accessories Mounts Appendix

PW-3037-UV PW-3050-UV PW-4037-UV PW-4050-UV PW-5075-UV PW-6010-UV PW-8010-UV BK7 PW-0316-C PW-0412-C PW-0504-C PW-0508-C PW-0512-C PW-0525-C PW-0537-C PW-0643-C PW-0704-C PW-0712-C PW-0725-C PW-0737-C PW-0825-C PW-0904-C PW-0908-C PW-1006-C PW-1007-C PW-1008-C PW-1012-C PW-1025-C PW-1032-C PW-1037-C PW-1225-C PW-1512-C PW-1525-C PW-1537-C PW-1625-C PW-1925-C PW-2012-C PW-2025-C PW-2037-C PW-2050-C PW-3037-C PW-3050-C PW-4037-C PW-4050-C PW-6010-C PW-8010-C

Thickness T

continued

Index

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PW

19

PW

Windows

Intro

Plane Windows Plane Windows, Wedge ≤ 5 minutes Diameter D

Part Number

Mirrors

Lenses

Prisms

Infrasil PW-0525-INF PW-0725-INF PW-1025-INF PW-2025-INF Sapphire PW-0512-SPR PW-0712-SPR PW-1012-SPR PW-1512-SPR PW-2012-SPR

Waveplates

Beamsplitters

IR Grade CaF2 PW-0525-CFIR PW-1025-CFIR PW-1419-CFIR PW-1519-CFIR PW-2019-CFIR PW-2037-CFIR

Thickness T

Transmitted Wavefront at 633nm

Surface Quality

Material

0.500" 0.750" 1.000" 2.000"

0.250" 0.250" 0.250" 0.250"

λ/10 λ/10 λ/10 λ/10

10-5 10-5 10-5 10-5

Infrasil Infrasil Infrasil Infrasil

0.500" 0.750" 1.000" 1.500" 2.000"

0.125" 0.125" 0.125" 0.125" 0.125"

λ/4 λ/4 λ/4 λ/4 λ/4

40-20 40-20 40-20 40-20 40-20

Sapphire Sapphire Sapphire Sapphire Sapphire

0.500" 1.000" 36.0mm 1.500" 2.000" 2.000"

0.250" 0.250" 5.0mm 5.0mm 5.0mm 0.375"

λ/10 λ/10 λ/10 λ/10 λ/10 λ/10

20-10 20-10 20-10 20-10 20-10 20-10

IR CaF2 IR CaF2 IRCaF2 IR CaF2 IR CaF2 IR CaF2

Polarizers

Plane Windows, Wedge ≤ 5 minutes Diameter D

Part Number

Surface Quality

Material

12.7mm 19.1mm 25.4mm 27.9mm 38.1mm 50.8mm

2.0mm 2.0mm 3.2mm 3.2mm 3.2mm 5.0mm

λ/20 λ/20 λ/20 λ/20 λ/20 λ/20

40-20 40-20 40-20 40-20 40-20 40-20

Germanium Germanium Germanium Germanium Germanium Germanium

12.7mm 19.1mm 25.4mm 27.9mm 38.1mm 50.8mm

2.0mm 2.0mm 3.2mm 3.2mm 3.2mm 5.0mm

λ/20 λ/20 λ/20 λ/20 λ/20 λ/20

40-20 40-20 40-20 40-20 40-20 40-20

Zinc Selenide Zinc Selenide Zinc Selenide Zinc Selenide Zinc Selenide Zinc Selenide

12.7mm 19.1mm 25.4mm 27.9mm 38.1mm 50.8mm

2.0mm 2.0mm 3.2mm 3.2mm 3.2mm 5.0mm

λ/20 λ/20 λ/20 λ/20 λ/20 λ/20

40-20 40-20 40-20 40-20 40-20 40-20

Silicon Silicon Silicon Silicon Silicon Silicon

Index

Appendix

Mounts

Interferometer Accessories

Filters

Etalons

Ultrafast Components

Germanium PW-0508-GE PW-0708-GE PW-1012-GE PW-1112-GE PW-1512-GE PW-2020-GE Zinc Selenide PW-0508-ZNSE PW-0708-ZNSE PW-1012-ZNSE PW-1112-ZNSE PW-1512-ZNSE PW-2020-ZNSE Silicon PW-0508-SI PW-0708-SI PW-1012-SI PW-1112-SI PW-1512-SI PW-2020-SI

Thickness Surface T Figure (p-v) at 10.6µm

20

PW

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IF

Intro Windows

�

Interferometer Flats Substrate Material Suprasil 1, UV grade fused silica, or BK7 glass Surface Quality 10-5 CVI Laser Quality defined on page 430 Transmitted Wavefront Distortion λ/10 p-v at 633nm

Prisms

Diameter Tolerance + 0.00mm, − 0.25mm

�

Thickness Tolerance ± 0.25mm Wedge 30 ± 5 minutes Clear Aperture Exceeds central 85% of dimension

interference effects between Reflected beams from both surfaces separately usable Output coupler, sampling substrate λ/10 transmitted wavefront,

IF, by CVI definition, is an uncoated sides, with a wedge of 30 ± 5 minutes. Therefore, they form the foundation for several coated products, such as, W1, W2, separators, dichroic mirrors, and partial reflectors.

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

0.500" 0.500" 0.750" 0.750" 1.000" 1.000" 1.000" 1.500" 1.500" 1.500" 2.000" 2.000" 2.000" 3.000" 4.000"

0.250" 0.375" 0.250" 0.375" 0.250" 0.375" 0.500" 0.250" 0.375" 0.500" 0.250" 0.375" 0.500" 0.500" 0.500"

BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7

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Index

0.250" 0.375" 0.125" 0.250" 0.375" 0.125" 0.250" 0.375" 0.500" 0.250" 0.375" 0.500" 0.250" 0.375" 0.500" 0.750" 0.500" 0.500"

Appendix

0.500" 0.500" 0.750" 0.750" 0.750" 1.000" 1.000" 1.000" 1.000" 1.500" 1.500" 1.500" 2.000" 2.000" 2.000" 2.000" 3.000" 4.000"

Mounts

|

Suprasil 1 Suprasil 1 Suprasil 1

Interferometer Accessories

Europe +44 (0 ) 1624 647000

0.375" 0.375" 0.375"

Filters

|

1.000" 1.500" 2.000"

Etalons

beamsplitters, output couplers, harmonic

Material

Ultrafast Components

window substrate, polished on two

Thickness T

Polarizers

10-5 surface quality

Suprasil IF-1037-SS IF-1537-SS IF-2037-SS Fused Silica IF-0525-UV IF-0537-UV IF-0712-UV IF-0725-UV IF-0737-UV IF-1012-UV IF-1025-UV IF-1037-UV IF-1050-UV IF-1525-UV IF-1537-UV IF-1550-UV IF-2025-UV IF-2037-UV IF-2050-UV IF-2075-UV IF-3050-UV IF-4050-UV BK7 IF-0525-C IF-0537-C IF-0725-C IF-0737-C IF-1025-C IF-1037-C IF-1050-C IF-1525-C IF-1537-C IF-1550-C IF-2025-C IF-2037-C IF-2050-C IF-3050-C IF-4050-C

Diameter D

Waveplates

beamsplitter, or beam

Part Number

Beamsplitters

surfaces

Interferometer Flats, Wedge 30 ± 5 minutes

Mirrors

30 minute wedge minimizes

Americas (505) 296 -9541

Lenses

Chamfer 0.35mm at 45° typical, 0.85mm at 45° for Ø > 2.0” ��

IF

21

LW

Windows

Intro

Large Wedge Windows

Substrate Material UV grade fused silica or BK7 glass

�

Surface Figure λ/10 p-v at 633nm

Prisms

Surface Quality 10-5 CVI Laser Quality defined on page 430 Diameter Tolerance + 0.00mm, − 0.25mm

�

Thickness Tolerance ± 0.25mm

Lenses

Wedge Tolerance ± 6 minutes

Mirrors

Chamfer 0.35mm at 45° typical

All CVI low loss, high energy AR

Beamsplitters

coatings available

l 6-9

Polarizers

Waveplates

Using Large Wedge Windows Large wedge windows are laser quality

with an antireflection coating. In very

suitable rotation of the individual wedges.

windows manufactured with wedges of

high gain or very sensitive lasers, it is

The resulting deflection can be positioned

1°, 2°, or 3°. These larger wedges prevent

important to completely misalign the

anywhere within a cone centered on

interference by stray back reflection, and

beam coming from the second surface.

the original propagation direction. The

have several applications in beam steering.

CVI can provide mirrors and beamsplitters

direction of deflection is along a plane

where α is between 0.5° (IF Series) and 3°

midway between the rotation angles of

(LW Series) to prevent this stray feedback.

the two individual prisms. The magnitude

Ultrafast Components

For small angles of incidence, the

of deflection varies smoothly from the

deviation of a ray incident on a wedged window with wedge angle α is

Etalons

ns θd = —— α na

To create an adjustable beamsteering

maximum value 2θ where the thinnest

device, use a pair of identically wedged

points of the two wedges coincide to zero

windows. See Figure 2. Any deflection

to when the two wedges are oriented

angle from 0 to 2θ, can be obtained by

antiparallel, thereby canceling each other.

The first reflected ray is misaligned from Filters

the initial axis by an angle defined by

Interferometer Accessories

��

��

2nsα θr = —— na

��

If na = 1, then θr = 2nsα.

α

θ�

θ�

Mounts

When using a wedge as an output coupling mirror in a laser, usually the front surface is coated with the partially

Figure 2. A beamsteering wedge formed from two wedged prisms.

Index

Appendix

reflecting coating and the second surface

Figure 1. Deviation and reflection of a beam by a wedged window of wedge α.

22

LW

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LW

LW

2

1050

Windows

How To Order

Intro

Large Wedge Windows C

Product Code Prisms

Wedge in Degrees Size Code

Lenses

Substrate Material

Mirrors Beamsplitters Waveplates

Large Wedge Windows, Wedge 1°, 2°, 3°

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

1° 1° 1° 1° 2° 2° 2° 2° 3° 3° 3° 3° 3°

1.000" 1.000" 1.500" 2.000" 1.000" 1.000" 1.500" 2.000" 1.000" 1.000" 1.500" 2.000" 2.000"

0.375" 0.500" 0.500" 0.500" 0.375" 0.500" 0.500" 0.500" 0.375" 0.500" 0.500" 0.375" 0.500"

BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7 BK7

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Index

0.375" 0.500" 0.500" 0.500" 0.500" 0.375" 0.500" 0.500" 0.500" 0.500" 0.375" 0.500" 0.500" 0.500" 0.500"

Appendix

1.000" 1.000" 1.500" 2.000" 3.000" 1.000" 1.000" 1.500" 2.000" 3.000" 1.000" 1.000" 1.500" 2.000" 3.000"

Mounts

1° 1° 1° 1° 1° 2° 2° 2° 2° 2° 3° 3° 3° 3° 3°

Interferometer Accessories

Material

Filters

|

Thickness T

Etalons

Americas (505) 296 -9541

Diameter D

Ultrafast Components

Fused Silica LW-1-1037-UV LW-1-1050-UV LW-1-1550-UV LW-1-2050-UV LW-1-3050-UV LW-2-1037-UV LW-2-1050-UV LW-2-1550-UV LW-2-2050-UV LW-2-3050-UV LW-3-1037-UV LW-3-1050-UV LW-3-1550-UV LW-3-2050-UV LW-3-3050-UV BK7 LW-1-1037-C LW-1-1050-C LW-1-1550-C LW-1-2050-C LW-2-1037-C LW-2-1050-C LW-2-1550-C LW-2-2050-C LW-3-1037-C LW-3-1050-C LW-3-1550-C LW-3-2037-C LW-3-2050-C

Wedge α

Polarizers

Part Number

LW

23

RW

Windows

Intro

Rectangular Windows �

Substrate Material UV grade fused silica or BK7 glass

�

Transmitted Wavefront Distortion λ/10 p-v at 633nm

Prisms

Surface Quality 10-5 CVI Laser Quality defined on page 430 Dimensional Tolerance + 0.00mm, − 0.25mm

�

Thickness Tolerance ± 0.25mm Wedge Tolerance ≤ 5 minutes

Lenses

Chamfer 0.35mm at 45° typical Clear Aperture Exceeds central 85% of dimension

All CVI low loss, high energy AR

Mirrors

coatings available

l 6-9

RW series rectangular windows are designed for a wide variety of laser window and beamsplitting applications. By cutting stock substrates, our in house service department can quickly supply non-standard rectangular dimensions.

CVI beamsplitter coatings available

l 198

Beamsplitters

CVI partially reflective coatings available

l 152

For additional substrate material

Waveplates

information

All CVI dielectric and metal coatings can be deposited on RW series rectangular windows. Typical transmitted wavefront error is less than λ/10 P-V @ 633nm over 85% of the window’s dimension.

l 425-437

Polarizers

Product Code

Ultrafast Components

How To Order

Width (mm)

RW

35.0

20.0

9.53

UV

Length (mm)

Thickness (mm)

Etalons

Substrate Material

Filters

Rectangular Windows Part Number

Index

Appendix

Mounts

Interferometer Accessories

Fused Silica RW-20.0-10.0-6.35-UV RW-28.6-14.3-3.18-UV RW-35.0-20.0-9.53-UV RW-40.0-25.0-9.53-UV RW-40.0-30.0-5.00-UV RW-50.0-30.0-12.7-UV BK7 RW-20.0-10.0-6.35-C RW-28.6-14.3-3.18-C RW-35.0-20.0-9.53-C RW-40.0-25.0-9.53-C RW-40.0-30.0-5.00-C RW-50.0-30.0-12.7-C

24

Length L (mm)

Width W (mm)

Thickness T (mm)

Material

20.0 28.6 35.0 40.0 40.0 50.0

10.0 14.3 20.0 25.0 30.0 30.0

6.35 3.18 9.53 9.53 5.00 12.70

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

20.0 28.6 35.0 40.0 40.0 50.0

10.0 14.3 20.0 25.0 30.0 30.0

6.35 3.18 9.53 9.53 5.00 12.70

BK7 BK7 BK7 BK7 BK7 BK7

Other dimensions available in prototype and production quantities. RW

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�

Windows

�

Square Windows

Intro

SQW

Substrate Material UV grade fused silica or BK7 glass Surface Quality 10-5 CVI Laser Quality defined on page 430 Dimensional Tolerance + 0.00mm, − 0.25mm

Prisms

Thickness Tolerance ± 0.25mm

�

Wedge Tolerance ≤ 5 minutes Chamfer 0.35mm at 45° typical

All CVI low loss, high energy AR coatings available

l 6-9

available

l 198

available

l 152

For additional substrate material information

l 425-437

dimension you need, our in house service

for a wide variety of laser window and

department can quickly modify stock

beamsplitting applications. Typical

substrates to supply additional rectangular

transmitted wavefront error is less than

dimensions. All CVI dielectric and metal

λ/10 p-v @ 633nm over 85% of the

coatings can be deposited on SQW series

window’s dimension. If you don’t see the

square windows.

SQW

1537

C

Product Code

Polarizers

Size Code Substrate Material

Ultrafast Components

Square Windows Length L

Part Number

Transmitted Wavefront at 633nm

Material

0.500" 1.000" 1.000" 1.000" 1.500"

0.250" 2.0mm 0.250" 0.375" 0.375"

λ/10 λ/10 λ/4 λ/10 λ/10

BK7 BK7 BK7 BK7 BK7

2.000" 2.000" 2.000" 2.000" 3.000" 3.000"

2.0mm 5.0mm 0.250" 0.375" 0.375" 0.500"

λ/10 λ/2 λ/4 λ/4 λ/4 λ/4

BK7 BK7 BK7 BK7 BK7 BK7

Other dimensions available in prototype and production quantities. Americas (505) 296 -9541

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Index

Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica Fused Silica

Appendix

λ/10 λ/10 λ/10 λ/10 λ/10 λ/4 λ/4 λ/10

Mounts

0.250" 2.0mm 0.250" 0.063" 2.0mm 0.200" 0.250" 0.375"

Interferometer Accessories

0.500" 1.000" 1.000" 2.000" 2.000" 2.000" 2.000" 2.000"

Filters

SQW-2008-C SQW-2019-C SQW-2025-C SQW-2037-C SQW-3037-C SQW-3050-C

Thickness T

Etalons

Fused Silica SQW-0525-UV SQW-1008-UV SQW-1025-UV SQW-2006-UV SQW-2008-UV SQW-2020-UV SQW-2025-UV SQW-2037-UV BK7 SQW-0525-C SQW-1008-C SQW-1025-C SQW-1037-C SQW-1537-C

Waveplates

How To Order

Beamsplitters

CVI partially reflective coatings

SQW series square windows are designed

Mirrors

CVI beamsplitter coatings

Lenses

Clear Aperture Exceeds central 85% of dimension

25

BW

Windows

Intro

Brewster Windows

�

�

��

Substrate Material Suprasil 1 Transmitted Wavefront Distortion λ/10 p-v at 633nm Surface Quality 10-5 CVI Laser Quality defined on page 430

Prisms

Dimensional Tolerance + 0.00mm, − 0.25mm Thickness Tolerance ± 0.25mm Wedge ≤ 10 seconds

Lenses

Chamfer 0.35mm at 45° typical Clear Aperture Exceeds central 85% of dimension

Brewster Windows

Mirrors

For use in laser cavities Suprasil 1 UV grade fused silica Transmitted wavefront λ/20,

Beamsplitters

wedge ≤ 10 seconds Zero reflection loss for

Waveplates

P polarized light

Minor Diameter D

Part Number

Polarizers Ultrafast Components

�

��

Material

BW-8.0-2.0-SS

8.0mm

2.0mm

Suprasil 1

BW-9.0-2.0-SS BW-10.0-2.0-SS BW-13.0-2.0-SS BW-16.0-2.0-SS BW-25.0-2.0-SS

9.0mm 10.0mm 13.0mm 16.0mm 25.0mm

2.0mm 2.0mm 2.0mm 2.0mm 2.0mm

Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1 Suprasil 1

ELW

Elliptical Windows

�

Thickness T

Substrate Material UV grade fused silica Transmitted Wavefront Distortion λ/10 p-v at 633nm Surface Quality 10-5 CVI Laser Quality defined on page 430

Etalons

Dimensional Tolerance + 0.00mm, − 0.25mm Thickness Tolerance ± 0.25mm Wedge ≤ 5 minutes

Filters

Chamfer 0.35mm at 45° typical Clear Aperture Exceeds central 85% of dimension For use in laser cavities

Interferometer Accessories

General purpose laser quality windows All CVI low loss, high energy AR coatings available

l 6-9

Mounts

Laser quality: λ/10 transmitted wavefront, 10-5 surface quality Elliptical profile conforms to

Appendix

circular beam profile at 45°

Minor Diameter D

Part Number

Index

26

Elliptical Windows

BW ELW

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Thickness T

Material

ELW-12.7-6.35-UV ELW-15.0-6.35-UV

12.7mm 15.0mm

6.35mm 6.35mm

Fused Silica Fused Silica

ELW-19.1-6.35-UV ELW-25.4-6.35-UV

19.1mm 25.4mm

6.35mm 6.35mm

Fused Silica Fused Silica

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Intro

Coverplates and Protective Windows

Windows

Substrate Material Fused silica, Pyrex, and BK7 glass Surface Quality 60-40 per MIL-PRF-13830B

Prisms

Dimensional Tolerance ± 0.2mm Thickness Tolerance ± 0.1mm AR Coating T > 99.5% at 1064nm

Lenses

R < 0.75% per surface Damage Threshold up to 25J/cm2, 20ns, 20Hz at 1064nm

Round or Rectangular Dimensions from 22mm to 55mm 25J/cm , 20ns, 20Hz at 1064nm 2

Call for current list of supported

withstands the initial damage produced

the focusing lenses. Protective windows

by your laser. The coverplate will require

have anti-reflection coatings that increase

periodic cleaning and replacement due

the energy transmission to more than

to splatter. We will custom-build to your

99%. When the coating is damaged there

diameter and thickness dimensions.

is a reduction in beam power resulting in heating of the lens leading to eventual failure.

Coverplates are also available in packages of ten and one hundred.

Polarizers

equipment and distributors. Support for: Haas

Ultrafast Components

LASAG Trumpf

Antireflection Coatings

Lumonics

��

��

��

Others

��

��

��

Etalons

��

Rofin Laserdyne Prima

Waveplates

High damage threshold up to

protective windows to extend the life of

Beamsplitters

application: welding, cutting, marking, and drilling.

CVI provides a thin-film coating that

Mirrors

Manufactured to fit your YAG robotic

Industrial applications require disposable

��

��

��

��

��

��

��

��

��

��

��

��

V-type Antireflection coating for 248nm

��

Interferometer Accessories

MgF2 Antireflection coating for 800nm at 45° angle of incidence

��

��

��

��

Mounts

��

��

��

��

Filters

��

��

��

��

��

��

��

��

��

��

V-type Antireflection coating for 1064nm

��

��

��

��

��

��

BBAR coating optimized for 450nm to 650nm

Appendix

��

High energy, low loss antireflection coatings are standard on both surfaces for maximum Index

efficiency at the working wavelength.

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27

28

Index

Appendix

Mounts

Interferometer Accessories

Filters

Etalons

Ultrafast Components

Polarizers

Waveplates

Beamsplitters

Mirrors

Lenses

Prisms Windows

Intro

Notes

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