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Investigation of Characteristics of Thick Diffraction Gratings by the Method of Laser Heterodyne Tomography

  • P. E. TverdokhlebEmail author
  • Yu. A. Shchepetkin
  • I. Sh. Steinberg
Optical Information Technologies
  • 4 Downloads

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.

Keywords

Laser heterodyne tomography amplitude-phase diffraction grating collinear heterodyne photodetector acousto-optical scanning of the grating diffraction efficiency amplitude and phase components of the grating 

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Copyright information

© Allerton Press, Inc. 2019

Authors and Affiliations

  • P. E. Tverdokhleb
    • 1
    Email author
  • Yu. A. Shchepetkin
    • 1
  • I. Sh. Steinberg
    • 1
  1. 1.Institute of Automation and Electrometry, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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