Abstract
Several long wavelength infrared (LWIR) transparent external window materials are compared with respect to their IR bandpass, rain erosion and thermal shock resistance. The materials of interest include: ZnSe, ZnS, multispectral ZnS, calcium lanthanum sulfide (CLS), Ge, GaAs and GaP. Relevant thermal and mechanical property data are presented. The current state of development and size capabilities of each material are also discussed.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. W Tustison, R L Gentilman, "Current And Emerging Materials For LWIR External Windows", Proc. SPIE 0968, Ceramics and Inorganic Crystals for Optics, Electro-Optics, and Nonlinear Conversion, (17 January 1989); doi: 10.1117/12.948122; https://doi.org/10.1117/12.948122
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