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Optical windows are used for protecting fragile optical components inside an
assembly. AR coated BK7 glass window is the most common type. It has good
performance over visible and near infrared wavelength region. We also
offer fused silica windows and sapphire
windows for wider spectral region and harsher environment. BK7 window is the
lowest cost type of all three.
General Specifications:
| Parameter |
Standard grade |
Precision grade |
Ultra-precision grade |
| Selection code |
WIN00x |
WIN10x |
WIN22x |
| Material |
BK7 |
BK7 |
BK7 |
| Dimensional tolerance |
+/-0.15 |
+/-0.15 |
+/-0.15 |
| Clear aperture |
>80% |
>80% |
>80% |
| Surface quality |
60-40 |
40-20 |
20-10 |
| Parallelism |
1 arc min |
30 arc seconds |
1 arc min |
| Wavefront distortion |
1l per 25mm |
l/4 |
l/10 |
| Protective bevel |
<0.25x45 deg |
<0.25x45 deg |
<0.25x45 deg |
| Coating |
Optional |
Optional |
Optional |
| PN: |
WIN009
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| Description: |
Optical window, BK7, D=100, t=6
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| Diameter: |
100
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| Thickness: |
6
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| Volume Price: |
Request Volume Quote |
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