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Welcome to our Germanium windows catalog. Custom Germanium windows (round, square) are available upon request.
Germanium (Ge) Windows are available with two AR coating options: 3-12µm for broadband multi-spectral applications, or 8-12µm for Thermal Imaging applications. DLC coating for harsh environment can be supplied by request.
Please contact us for quotation. Special prices on large diameter Ge windows.
| Item |
Cat# |
Dia, in |
Dia,mm |
Th, in |
Th, mm |
| Germanium window |
GE-W-6.35-0.5 |
0.25 |
6.35 |
0.019 |
0.5 |
| Germanium window |
GE-W-12.7-1 |
0.5 |
12.7 |
0.039 |
1.0 |
| Germanium window |
GE-W-12.7-2 |
0.5 |
12.7 |
0.079 |
2.0 |
| Germanium window |
GE-W-25.4-1 |
1 |
25.4 |
0.039 |
1.0 |
| Germanium window |
GE-W-25.4-2 |
1 |
25.4 |
0.079 |
2.0 |
| Germanium window |
GE-W-25.4-3 |
1 |
25.4 |
0.118 |
3.0 |
| Germanium window |
GE-W-25.4-4 |
1 |
25.4 |
0.157 |
4.0 |
| Germanium window |
GE-W-25.4-5 |
1 |
25.4 |
0.197 |
5.0 |
| Germanium window |
GE-W-25.4-6 |
1 |
25.4 |
0.236 |
6.0 |
| Germanium window |
GE-W-38.1-3 |
1.5 |
38.1 |
0.118 |
3.0 |
| Germanium window |
GE-W-38.1-4 |
1.5 |
38.1 |
0.157 |
4.0 |
| Germanium window |
GE-W-38.1-5 |
1.5 |
38.1 |
0.197 |
5.0 |
| Germanium window |
GE-W-38.1-6 |
1.5 |
38.1 |
0.236 |
6.0 |
| Germanium window |
GE-W-50.8-3 |
2 |
50.8 |
0.118 |
3.0 |
| Germanium window |
GE-W-50.8-4 |
2 |
50.8 |
0.157 |
4.0 |
| Germanium window |
GE-W-50.8-5 |
2 |
50.8 |
0.197 |
5.0 |
| Germanium window |
GE-W-50.8-6 |
2 |
50.8 |
0.236 |
6.0 |
| Germanium window |
GE-W-63.5-3 |
2.5 |
63.5 |
0.118 |
3.0 |
| Germanium window |
GE-W-63.5-6 |
2.5 |
63.5 |
0.236 |
6.0 |
| Germanium window |
GE-W-76.2-3 |
3.0 |
76.2 |
0.118 |
3.0 |
| Germanium window |
GE-W-76.2-6 |
3.0 |
76.2 |
0.236 |
6.0 |
| Germanium window |
Ge-W-101.6-8 |
4.0 |
101.6 |
0.315 |
8.0 |
| Germanium windows |
GE-W-140-10 |
5.5 |
140 |
0.39 |
10 |
| Germanium windows |
GE-W-152.4-10 |
6 |
152.4 |
0.39 |
10 |
| Custom 100-200 mm diameter germanium windows are available upon request. Ge windows with yellow mark are available on stock and can be shipped within 1-2 weeks. Ask now. |
Ge 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 60/40
See also: Germanium Lenses; Thermal Imaging Lenses |