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Products > Optical Elements > Windows > Infrared Ge Lens
Infrared Ge Lens
Product name : Infrared Ge Lens
Product No. : 20219910611
Material : Monocrystalline Germanium(Ge)
Size : 55mm, 70mm, 75mm, 93mm
Density(g/cm3) : 5.35
Refractive Index : 4 @1.9μm
Form : Disc, Square
Purity : 
Application : Night vision equipment, detectors, surveillance equipment
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  Details:
Specification: single crystal, N-type
Crystal direction: < 111 >
Resistance: 5-40 Ω,
Coating: double-sided polished
Transmission wavelength: 7-14 microns
Dimensional tolerance: + 0/ -0.1
Thickness tolerance: ± 0.1
Surface roughness: ~ nm,.
Parallelism: 1 minute, 30 seconds or higher
Finish: 60-40, 40-20 or other
Aperture: 1 / 4 in or higher

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