Zinc selenide antireflective optical window
Cradley Investments
Specifications: Standards
Material quality Laser Grade without boundaries and visible inclusions
Range of Sizes Diameter : 1 - 111 +0/-0,10 mm
Thickness : 0.5 - 12 +/-0.10 mm
Parallelism Plano : <3 arc minutes
Clear Aperture (polished) 90% of diameter
Surface Figure (power-irregularity) at 0.63 microns Plano : 1 fringe - 0.5 fringe per inch
Coating : AR, BBAR, HR Transmittance for 10.6 um: 99.25-0.25% (it depends on the type of coating)
Surface Quality: Scratch-Dig 80/50, 60/40, 40/20 : per MIL-0-13830
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