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Parallel Windows

CASTECH offers windows in substrates made from multitude of Optical glass, Fused Silica, Calcium Fluoride(CaF2), Barium Fluoride(BaF2), Germanium (Ge), Silicon (Si) and Zinc Selenide (ZnSe), etc.
Number of views:
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Windows
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Introduction:

CASTECH offers windows either in multitudious substrates (Optical glass, Fused Silica, CaF2, BaF2, Ge, Si, ZnSe) or coated parts with multiple anti-reflection coating options covering wavelength range of Ultraviolet (UV), visible, or Infrared (IR). Millions of stock and custom precision windows are manufactured by different processing methods such as double-sided polishing, conventional polishing and ion beam figure(IBF) to guaranty high surface figure, low scatter, and high laser damage threshold to satisfy even the most demanding requirements.

 

Features:

  • Material from DUV to FIR  
  • Custom dimensions and shapes  
  • Diameter from 0.5 to 600 mm   
  • Flatness: λ/10@632.8nm ( λ/40 by IBF)  
  • Standard and custom AR coating options available  
  • High laser damage threshold

 

Specifications:

Material BK7 or UV fused silica
Diameter Tolerance +0/-0.15mm
Thickness Tolerance ±0.25mm
Clear Aperture >Central 85% of diameter
Parallelism <5″
Surface Quality 20/10
Transmitted Wavefront

λ/10 @632.8nm

Chamfers

12.7&25.4mm:0.25-0.75mm face  width×45°±15°

50.8mm:0.38-1.14mm face  width×45°±15°

 

 

 •   Most sizes with λ /20 transmitted wavefront and 10-5 surface quality are available;

 •   All kinds of coatings  are available;

 •   Custom designs for other sizes and coatings are also available upon request.

 

Order Information:

 

WIN ---- 127 ---- 060 ---- BK7 
     
Product Code   Dia=12.7mm   Thickness=6.0mm   Material

 

Parallel Windows:

 

Part Number

Diameter 

D(mm)

Thickness 

T(mm)

Material Surface Quality

Transmitted

 Wavefront

WIN-127-031-BK7 12.7 3.175 BK7 20/10 λ/10
WIN-127-060-BK7 12.7 6.0 BK7 20/10 λ/10
WIN-254-060-BK7 25.4 6.0 BK7 20/10 λ/10
WIN-254-063-BK7 25.4 6.35 BK7 20/10 λ/10
WIN-508-100-BK7 50.8 10.0 BK7 20/10 λ/10
WIN-127-031-UVFS 12.7 3.175 UVFS 20/10 λ/10
WIN-127-060-UVFS 12.7 6.0 UVFS 20/10 λ/10
WIN-254-060-UVFS 25.4 6.0 UVFS 20/10 λ/10
WIN-254-063-UVFS 25.4 6.35 UVFS 20/10 λ/10
WIN-508-100-UVFS 50.8 10.0 UVFS 20/10 λ/10

 

 

Keyword:
BaF2
CaF2
Si
ZnSe
Fused silica
parallel optical window
AR-coated
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Parallel Windows
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  • Parallel Windows

  • CASTECH offers windows in substrates made from multitude of Optical glass, Fused Silica, Calcium Fluoride(CaF2), Barium Fluoride(BaF2), Germanium (Ge), Silicon (Si) and Zinc Selenide (ZnSe), etc.
Description
Cas'Tech Class
Parameters
Download

Introduction:

CASTECH offers windows either in multitudious substrates (Optical glass, Fused Silica, CaF2, BaF2, Ge, Si, ZnSe) or coated parts with multiple anti-reflection coating options covering wavelength range of Ultraviolet (UV), visible, or Infrared (IR). Millions of stock and custom precision windows are manufactured by different processing methods such as double-sided polishing, conventional polishing and ion beam figure(IBF) to guaranty high surface figure, low scatter, and high laser damage threshold to satisfy even the most demanding requirements.

 

Features:

  • Material from DUV to FIR  
  • Custom dimensions and shapes  
  • Diameter from 0.5 to 600 mm   
  • Flatness: λ/10@632.8nm ( λ/40 by IBF)  
  • Standard and custom AR coating options available  
  • High laser damage threshold

 

Specifications:

Material BK7 or UV fused silica
Diameter Tolerance +0/-0.15mm
Thickness Tolerance ±0.25mm
Clear Aperture >Central 85% of diameter
Parallelism <5″
Surface Quality 20/10
Transmitted Wavefront

λ/10 @632.8nm

Chamfers

12.7&25.4mm:0.25-0.75mm face  width×45°±15°

50.8mm:0.38-1.14mm face  width×45°±15°

 

 

 •   Most sizes with λ /20 transmitted wavefront and 10-5 surface quality are available;

 •   All kinds of coatings  are available;

 •   Custom designs for other sizes and coatings are also available upon request.

 

Order Information:

 

WIN ---- 127 ---- 060 ---- BK7 
     
Product Code   Dia=12.7mm   Thickness=6.0mm   Material

 

Parallel Windows:

 

Part Number

Diameter 

D(mm)

Thickness 

T(mm)

Material Surface Quality

Transmitted

 Wavefront

WIN-127-031-BK7 12.7 3.175 BK7 20/10 λ/10
WIN-127-060-BK7 12.7 6.0 BK7 20/10 λ/10
WIN-254-060-BK7 25.4 6.0 BK7 20/10 λ/10
WIN-254-063-BK7 25.4 6.35 BK7 20/10 λ/10
WIN-508-100-BK7 50.8 10.0 BK7 20/10 λ/10
WIN-127-031-UVFS 12.7 3.175 UVFS 20/10 λ/10
WIN-127-060-UVFS 12.7 6.0 UVFS 20/10 λ/10
WIN-254-060-UVFS 25.4 6.0 UVFS 20/10 λ/10
WIN-254-063-UVFS 25.4 6.35 UVFS 20/10 λ/10
WIN-508-100-UVFS 50.8 10.0 UVFS 20/10 λ/10

 

 

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