BK7 window
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BK7 Window |
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General specification |
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Material |
H-K9L (Schott BK7) |
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Dimension Tolerance |
±0.1mm |
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Surface Accuracy |
L/4@632.8nm |
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Surface Quality |
40-20 |
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Parallelism |
<3 arc min |
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Clear Aperture |
>90% |
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Bevelling |
<0.2 *45 |
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Coating |
A: AR Coating 350nm-650nm |
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B: AR Coating 650nm-1050nm |
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C: AR Coating 1050nm-1580nm |
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Product No |
Dia（mm） |
Thickness(mm) |
SQ |
Flatness |
Parallelism |
CA |
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FW01 |
6.00 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW02 |
12.70 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW03 |
12.70 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW04 |
15.00 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW05 |
15.00 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW06 |
20.00 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW07 |
20.00 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW08 |
25.40 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW09 |
25.40 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW10 |
30.00 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW11 |
40.00 |
8.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW12 |
50.80 |
8.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW13 |
75.00 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW14 |
75.00 |
10.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW15 |
100.00 |
12.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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Product No |
Dia（mm） |
Thickness(mm) |
SQ |
Flatness |
Parallelism |
CA |
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FW16 |
6.00 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW17 |
12.70 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW18 |
12.70 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW19 |
15.00 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW20 |
20.00 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW21 |
20.00 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW22 |
25.40 |
3.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW23 |
25.40 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW24 |
30.00 |
5.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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FW25 |
40.00 |
8.00 |
40-20 |
L/4 |
<3 arc min |
>90% |
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