Abstract
A procedure of layer-by-layer investigations of characteristics of thick amplitude-phase gratings by the method of laser heterodyne tomography is presented. The parameters of a thick grating nonlinearly recorded on an additively colored crystal of calcium fluoride (CaF2 : Na) are estimated. The main theoretical postulates of laser heterodyne tomography are experimentally validated.
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Russian Text © P.E. Tverdokhleb, Yu.A. Shchepetkin, I.Sh. Steinberg, 2019, published in Avtometriya, 2019, Vol. 55, No. 1, pp. 26–34.
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Tverdokhleb, P.E., Shchepetkin, Y.A. & Steinberg, I.S. Investigation of Characteristics of Thick Diffraction Gratings by the Method of Laser Heterodyne Tomography. Optoelectron.Instrument.Proc. 55, 20–27 (2019). https://doi.org/10.3103/S8756699019010047
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DOI: https://doi.org/10.3103/S8756699019010047