S. Zhao, C-G. Ribbing. Options for reststrahlen materials in optical surfaces and f ilters[J]. Chinese Optics Letters, 2010, 8(s1): 119
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The current and potential applications of reststrahlen bands in optical surfaces and components are reviewed. This type of interval with metallic-like high reflectance has been used for monochromatization in infrared and when wavelength-selective low emittance is needed for frost prevention or infrared signature reduction. Associated features, including a narrow reflectance minimum for a wide range of angles of incidence, are potentially useful.