Some effects of specular and diffuse reflection on infrared photoacoustic spectra
作者： C. Morterra , M.J.D. Low , A.G. Severdia
DOI: 10.1016/0020-0891(82)90047-1
关键词: Diffuse reflectance infrared fourier transform 、 Infrared 、 Optics 、 Diffuse reflection 、 Photoacoustic spectroscopy 、 Photothermal effect 、 Photothermal therapy 、 Specular reflection 、 Materials science 、 Photoacoustic effect
摘要: Abstract Infrared photothermal deflection spectra were recorded of single crystals and powders calcite (NH 4 ) 2 SO , SiC powders, a 58% Ni-on-kieselguhr catalyst, oxidized carbon. The effect was diminished in regions strong reflection absorption so that distortions appeared bands. Specular thus can or photoacoustic the cannot be corrected unless all optical parameters materials are known. Similarly, diffuse enhances effect. Thus, widely-held generality spectroscopy solids is unaffected by not correct.
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