Customized Photonics BK7 Windows

This kind of BK7 Windows is made from SCHOTT N-BK7 Glass, which has transparent range from 330-2100nm.



The BK7 window has good performance over visible and near IR spectrum for most application. The refractive index is 1.5168 at 587.6nm.


Specifications:

Dimension Tolerance:
+0.0/-0.2mm
Thickness Tolerance:
±0.2mm(General),±0.05(High Precision)
Surface Quality:
60/40(General),10/5(High Precision)
Clear Aperture:
>90%
Flatness:
λ/2@633nm(General),λ/10@633nm (High Precision)
Parallelism:
<3 arc min.(General). <3 arc sec.(High Precision)
AR Coated:
Uncoated, AR, HR, PR, etc.

Typical Sizes:

Round Shape:Diameter(mm):
Φ5.0;Φ10.0 ;Φ12.7;Φ15.0;Φ20.0; Φ25.4;Φ30.0;Φ38.1;Φ50.8;Φ76.2
Square Shape:WxH(mm):
5.0x5.0;10.0x10.0 ;15.0x15.0 ; 20.0x20.0;25.0x25.0;50.0x50.0
Thickness Tolerance:
0.5;1.0;1.5;2.0;3.0;4.0; 5.0;6.0;8.0;10.0; 50.0



Product Tags windows windows windows windows          windows windows windows          window by the window          window to window          window in a window          windows for windows          windows on windows          window window          windows windows         

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