ALKOR Technologies - your CRYSTAL optics supplier.   ALKOR Technologies - your CRYSTAL optics supplier.
ALKOR Technologies - your CRYSTAL optics supplier.

Zinc Selenide (ZnSe) windows

Alkor Technologies - manufacturer of CVD ZnSe windows according to customer demands.

  • Low dispersion
  • Available uncoated or AR coated for 3-12Ám, 8-12Ám, 10.6Ám
  • Ideal for Thermal Imaging and Spectroscopy applications

ZnSe windows

Zinc Selenide windows is suitable for applications in the IR band and is often used as a IR viewport window for thermography or spectroscopy. We provide a large variety of ZnSe windows for vacuum viewports suitable for different flanges.

Broad band AR coating for 2-13Ám and 8-12Ám can be applied on ZnSe window upon request.

Please contact us for quotation of your custom ZnSe window. Our Sales team will answer you within 24 hours. If you do not see a suitable size, write a request, we will make a window according to your drawing at no additional cost. The largest dimensions of ZnSe windows: Diameter 80mm x thickness 15mm. Rectangular ZnSe windows are also available.

Cat# Dia, in Dia,mm TH, in TH, mm
ZnSe-W-12.7-1 0.5 12.7 0.039 1.0
ZnSe-W-12.7-2 0.5 12.7 0.079 2.0
ZnSe-W-13x2 0.512 13 0.079 2.0
ZnSe-W-25.4-1 1 25.4 0.039 1.0
ZnSe-W-25.4-2 1 25.4 0.079 2.0
ZnSe-W-25.4-3 1 25.4 0.118 3.0
ZnSe-W-25.4-4 1 25.4 0.157 4.0
ZnSe-W-25.4-5 1 25.4 0.197 5.0
ZnSe-W-25.4-6 1 25.4 0.236 6.0
ZnSe-W-32x3 1.26 32 0.118 3.0
ZnSe-W-38.1-3 1.5 38.1 0.118 3.0
ZnSe-W-38.1-4 1.5 38.1 0.157 4.0
ZnSe-W-38.1-5 1.5 38.1 0.197 5.0
ZnSe-W-38.1-6 1.5 38.1 0.236 6.0
ZnSe-W-41x3 1.614 41.0 0.118 3.0
ZnSe-W-49x3 1.929 49 0.118 3.0
ZnSe-W-50.8-3 2 50.8 0.118 3.0
ZnSe-W-50.8-4 2 50.8 0.157 4.0
ZnSe-W-50.8-5 2 50.8 0.197 5.0
ZnSe-W-50.8-6 2 50.8 0.236 6.0
ZnSe-W-63.5-6 2.5 63.5 0.236 6.0
ZnSe-W-63.5-8 2.5 63.5 0.315 8.0
ZnSe-W-76.2-6 3 76.2 0.236 6.0
ZnSe-W-76.2-8 3 76.2 0.315 8.0

Standard specifications:
Diameter tolerance: +0/-0.1mm;
thickness tolerance: +/-0.1mm;
Clear Aperture: 90%;
Parallelism: 3 arc min;
Flatness: 1/10 wave at 10.6Ám;
Surface finish: S/D 60/40