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Welcome to our new germanium windows catalog. Custom shape germanium windows (round, square) and sizes, monocrystal and polycrystal germanium windows, BBAR coating for 8-12, 2.5-14 microns are available upon request. Please contact us for quotation, special prices on large diameter windows.
| Cat# |
Dia, in |
Dia,mm |
TH, in |
TH, mm |
| GE-W-12.7-1 |
0.5 |
12.7 |
0.039 |
1.0 |
| GE-W-12.7-2 |
0.5 |
12.7 |
0.079 |
2.0 |
| GE-W-25.4-1 |
1 |
25.4 |
0.039 |
1.0 |
| GE-W-25.4-2 |
1 |
25.4 |
0.079 |
2.0 |
| GE-W-25.4-3 |
1 |
25.4 |
0.118 |
3.0 |
| GE-W-25.4-4 |
1 |
25.4 |
0.157 |
4.0 |
| GE-W-25.4-5 |
1 |
25.4 |
0.197 |
5.0 |
| GE-W-25.4-6 |
1 |
25.4 |
0.236 |
6.0 |
| GE-W-38.1-3 |
1.5 |
38.1 |
0.118 |
3.0 |
| GE-W-38.1-4 |
1.5 |
38.1 |
0.157 |
4.0 |
| GE-W-38.1-5 |
1.5 |
38.1 |
0.197 |
5.0 |
| GE-W-38.1-6 |
1.5 |
38.1 |
0.236 |
6.0 |
| GE-W-50.8-3 |
2 |
50.8 |
0.118 |
3.0 |
| GE-W-50.8-4 |
2 |
50.8 |
0.157 |
4.0 |
| GE-W-50.8-5 |
2 |
50.8 |
0.197 |
5.0 |
| GE-W-50.8-6 |
2 |
50.8 |
0.236 |
6.0 |
| GE-W-63.5-3 |
2.5 |
63.5 |
0.118 |
3.0 |
| GE-W-63.5-6 |
2.5 |
63.5 |
0.236 |
6.0 |
| GE-W-76.2-3 |
3.0 |
76.2 |
0.118 |
3.0 |
| GE-W-76.2-6 |
3.0 |
76.2 |
0.236 |
6.0 |
| Custom 100-200 mm diameter germanium windows are available upon request. Ask now. |
Germanium windows standard specifications:
Diameter tolerance: +0/-0.1mm;
Thickness tolerance: +/-0.1mm;
Clear Aperture: 90%;
Parallelism: 3 arc min;
Flatness: 1/10 wave at 10.6 microns
Surface finish: S/D 40/20
See also: germanium lenses
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