Brewster Windows
Specifications
|
Item
|
BK7windows
|
JGS1 windows
|
|
Wavelength
|
350-2000nm
|
185-2100nm
|
|
Diameter Tol
|
+0.0，-0.1mm
|
+0.0，-0.1mm
|
|
Thickness Tol
|
+/-0.1mm
|
+/-0.1mm
|
|
Clear Aperture
|
>85%
|
>85%
|
|
Parallelism
|
1′（Standard）
10″（High Precision）
|
1′（Standard）
10″（High Precision）
|
|
Surface Quality
|
60/40（Standard）
20/10（High Precision）
|
60/40（Standard）
20/10（High Precision）
|
|
Wavefront
|
λ/ 4(Standard)
λ/10（High Precision）per 25mm@633nm
|
λ/ 4(Standard)
λ/10（High Precision）per 25mm@633nm
|
|
Chamfers
|
<0.25mm*45°
|
<0.25mm*45°
|
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.
BK7 Standard Brewster Windows：
|
Part No
|
Diameter (mm)
|
Thickness（mm）
|
Reflectance vs AOI
|
|
10.0
|
1.0
|
 |
|
|
WINB105-T1
|
12.7
|
1.0
|
|
|
WINB108-T2
|
20
|
2.0
|