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Window

CRYLIGHT社 Window

  

各モデルの抜粋仕様を下記から確認いただけます。

CaF2 WindowBK7 WindowSapphire WindowFused Silica Window

CaF2 Window

Features
The CaF2 Window is made from Calcium Fluoride material, which has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. It has little hygroscopic susceptibility and high thermal expansion coefficient. CaF2 Windows are relatively soft and somewhat hygroscopic so polishing, coating and handling are more critical than UV Fused Silica windows. In addition, The quality of a UV window can be extremely critical, it should be of high purity and polish in order not to affect the optical system. Calcium Fluoride Windows are also applicable for a wide range of spectrum. It is particularly useful for wavelength at 2980nm laser application. 
1.Useful transmission over the spectral range from 0.2 to 8.0 microns..
2.Low solubility 
3.Because of its composition CaF2 window has a much longer useful life than most other materials when use in a fluorine environment. 
4.We have two grades of material of CaF2 window. One is for UV application, the other is for IR application. A wide transmission range and low solubility makes it useful for many application, including:
> Mirror substrate for UV laser systems 
> Substrate for manufacturing Windows, Lenses for UV and IR application 
 
Specifications
 
Specifications:

Material: Calcium Fluoride
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >80%
Parallelism: 1 arc minute
Surface Quality: 80/50
Wavefront Distortion: l/2 per 25mm @632.8nm
Bevel: <0.25mm X 45°
Coating: Uncoated

 
Part No. φ (mm) T (mm)
WIN3-101 10.0 0.5
WIN3-102 12.7 2.0
WIN3-103 12.7 3
WIN3-201 25.4 3.0
WIN3-202 25.4 4
WIN3-301 38.0 5.0
WIN3-501 50.0 3.0
WIN3-502 50 4

BK7 Window

 
Features
The Window is made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5164 at 588nm. The BK7 window has good performance over visible and near IR spectrum for most application.
 
Specifications
 
Specifications:

Material: BK7
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >80%
Parallelism: 1′(Standard), 10″(High Precision)
Surface Quality: 60/40(Standard), 10/5(High Precision)
Wavefront Distortion: l(Standard), λ/10(High Precision) per 25mm @632.8nm
Bevel: <0.25mm X 45°
Coating: Uncoated

Standard Precision High Precision
Part No. φ(mm) T (mm) Part No. φ (mm) T (mm)
WIN1-101 10 3 WIN1-201 10 6
WIN1-102 12.7 3 WIN1-202 12.7 6
WIN1-103 15 3 WIN1-203 15 6
WIN1-104 25.4 3 WIN1-204 25.4 6.35
WIN1-105 50.8 3 WIN1-205 50.8 6.35

Sapphire Window

Features
The Window is made from sapphire material, which has transparent range from 180-4500nm. The refractive index is 1.755 at 1000nm. It has strong hardness. The Sapphire window is suit for scratch resistance application with better transmission over the wide range spectrum. It can be made much thinner.
Specifications
 
Specifications:

Material: Sapphire
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >80%
Parallelism: 1′
Surface Quality: 80/50
Wavefront Distortion: λ per 25mm
Bevel: <0.25mm X 45°
Coating: Uncoated
 
 
Part No. φ (mm) T (mm)
WIN4-101 8 0.5
WIN4-102 12 1
WIN4-201 25.4 2
WIN4-202 25.4 3

Fused Silica Window

Features
The Window is made from Fused Silcia material, which has transparent range from 185-2500nm. The refractive index is 1.4858 at 308nm. It has low thermal expansion coefficient. The Fused Sildica window has better performance from UV to IR spectrum. Also, it is the best choice for resistance thermal application.
Specifications
 
Specifications:

Material: Fused Silica
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: >80%
Parallelism: 1′ (Standard), 10″ (High Precision)
Surface Quality: 60/40(Standard), 20/10(High Precision)
Wavefront Distortion: λ(Standard), λ/10(High Precision) per 25mm @632.8nm
Bevel: <0.25mm X 45°
Coating: Uncoated
 
Standard Precision High Precision
Part No. φ(mm) T (mm) Part No. φ (mm) T (mm)
WIN2-101 10 3 WIN2-201 10 6
WIN2-102 12.7 3 WIN2-202 12.7 6
WIN2-103 15 3 WIN2-203 15 6
WIN2-104 25.4 3 WIN2-204 25.4 6.35
WIN2-105 50 3 WIN2-205 50 10

 

 

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