ZnSe windows for spectrometers and detectors

Laser Research Optics' zinc selenide windows offer a very wide transmission range (0.1-18 μm) for use in spectrometers and detectors.

Aug 14th, 2012
Content Dam Ils Online Articles 2012 08 Laserresearchoptics Znsewindows 14967 100x75

Laser Research Optics, Providence, RI, is offering zinc selenide (ZnSe) windows with a very wide transmission range for use in spectrometers and detectors.

The ZnSe Windows operate over a transmission range of 0.1-18 μm, with a very low absorption coefficient (0.0005/cm at 10.6 μm) and are non-hygroscopic. They can be supplied blank, polish finished, and DBAR coated in 0.5-3.0 in. OD sizes and various thicknesses to match specific customer requirements.

The chemical-vapor-deposition grown ZnSe Windows target systems operating in various bands within the material's transmission range; typical surface quality in the IR is 40-20 scratch-dig, 60-40 in the 0.8-7 μm region, and 60-40, 80-50, or 120-80 scratch-dig for 7-16 μm region.

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