zinc selenide

chemical compound

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In spectroscopy: Infrared instrumentation
as calcium fluoride (CaF₂), zinc selenide (ZnSe), cesium iodide (CsI), or potassium bromide (KBr), coated with silicon or germanium are employed. Below 200 cm⁻¹ Mylar films of varying thickness are used to cover narrow portions of the region. Thermal detection of infrared radiation is based on the conversion of
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