10 April 2007 New method for measurement of far IR beam intensity profile
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A novel method for measuring the intensity profile of far-infrared radiation is presented. The idea is to measure nonstationary thermally induced variations in optical thickness of a target heated by the studied radiation. The optical thickness variations are observed by an interferometer. Beams with an aperture up to 60 mm may be measured with a spatial resolution of I mm.
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Alexander A. Soloviev, Alexander A. Soloviev, Efim A. Khazanov, Efim A. Khazanov, Ilya E. Kozhevatov, Ilya E. Kozhevatov, Oleg V. Palashov, Oleg V. Palashov, } "New method for measurement of far IR beam intensity profile", Proc. SPIE 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control, 661308 (10 April 2007); doi: 10.1117/12.739349; https://doi.org/10.1117/12.739349

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