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Alkor Technologies - manufacturer of custom UV and IR optical windows made of different optical materials: CaF2, BaF2, Germanium, Silicon, KBr, ZnSe, Fused Silica, BK7 and more. Custom size round, square, rectangular windows, Brewster windows and demountable cell windows are available upon request. Optical Windows are flat, plane-parallel plates that are often used as protective barriers for electronic sensors or detectors from outside environments. Optical Windows should be selected based on the material transmission or mechanical properties of the substrate.
In addition, we offer a variety of infrared and ultraviolet coatings on optical windows. Please refer to coating page for more information.
Contact our Sales Team for pricing for any custom size and coatings requirements.
Visit our optical windows catalog:
Design of pressure windows in excel file.
High Precision optical windows:
We can provide up to 150mm diameter CaF2, BaF2, Silicon, Germanium, Fused Silica high precision windows with S/D 20/10; Flatness 1/10λ @ 633 and parallelism up to 10 arc. sec.
Alkor provide an extensive range of optical window types:
Round parallel windows |
Rectangle parallel windows |
Square parallel windows |
Round wedge windows |
Demountable cell windows for spectroscopy
Alkor Technologies provides commonly used standard demountable cell windows (drilled and undrilled) for FTIR spectroscopy instruments made out of all spectroscopy materials..
| Standard materials for demountable cell windows: CaF2, BaF2, KBr, NaCl, KCl, Fused Silica, Germanium |
| Discs |
Rectangles |
| Diameter x Thickness |
Length x Width x Thickness |
| 6 x 1 mm |
25 x 12 x 2 mm |
| 13 x 1 mm |
25 x 25 x 4 mm |
| 13 x 2 mm |
29.5 x 14.5 x 2 mm |
| 15 x 2 mm |
29.5 x 14.5 x 2 mm drilled |
| 19 x 2 mm |
29.5 x 14.5 x 4 mm |
| 20 x 2 mm |
29.5 x 14.5 x 4 mm drilled |
| 22 x 2 mm |
38.5 x 19.5 x 2 mm |
| 22 x 4 mm |
38.5 x 19.5 x 2 mm drilled |
| 25 x 2 mm |
38.5 x 19.5 x 4 mm |
| 25 x 4 mm |
38.5 x 19.5 x 4 mm drilled |
| 25 x 5 mm |
41 x 23 x 3 mm |
| 32 x 3 mm |
41 x 23 x 3 mm drilled |
| 32 x 3 mm drilled |
41 x 23 x 6 mm |
| 38 x 3 mm |
41 x 23 x 6 mm drilled |
| 38 x 6 mm |
45 x 20 x 6 mm |
| 41 x 3 mm |
45 x 20 x 6 mm drilled |
| 49 x 6 mm |
50 x 25 x 6 mm |
| 50 x 3 mm |
50 x 25 x 6 mm drilled |
| Minimal order for drilled optics - 10pcs |
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Size tolerance,mm |
Parallelism |
Flatness |
Surface quality |
| Standard |
+0, -0.1 |
3 arc. min |
1 wave at 0.63µm |
60/40 |
| Achievable |
+0, -0.02 |
10 arc. sec |
wave/10 at 0.63 µm |
10/5 |
Our production line of optical windows include: viewing window, viewports, UV and IR transmitting window, drilled spectroscopic windows, demountable cell windows (FTIR consumables), high pressure windows for vacuum chambers and submarine applications, IR camera windows, sensor covers, coating substrates, sight glasses, cryostat windows, flame sight windows, windows for sight flow indicators, lens protection windows.
See also: optical lenses, Optical Prisms; FAQ
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