Zinc sulfide window
Alternative to Germanium LWIR window
Part details
Material :
Manufacturing process :
Precision cutting and polishing, AR layer coating on both sides.
Dimensions:
150 x 200 mm +/- 0.2mm
Thickness : 5 mm +/- 0.1mm
Shape :
Rectangular plate with rounded corners.
Optical treatment :
Anti-reflective @8-12µm with transmission better than 94%, 0° AOI
Specifications :
Parallelism 0.05mm
Optical surface polishing : P3
Permissible astigmatism 0.5fr (AST)
Surface quality ; S/D 60/40
Usage :
Following difficulties to source germanium, Zinc Sulfide can be used as a good alternative for thermal / LWIR application.
