Resonant-Phase Conjugation in YAlO3:Nd Single Crystals

A new spectral method for surface investigation based on optical-phase conjugation in an unexcited transparent medium is theoretically developed and experimentally verified. On YAlO 3 :Nd (1 at %) single crystals at room temperature, the phase conjugation of light is revealed for a photon energy equ...

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Bibliographic Details
Published in:Surface investigation, x-ray, synchrotron and neutron techniques x-ray, synchrotron and neutron techniques, 2018, Vol.12 (1), p.64-68
Main Author: Gruzintsev, A. N.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Conjugation
Electromagnetic radiation
Luminous intensity
Materials Science
Neodymium
Phase conjugation
Raman spectra
Single crystals
Spectral methods
Surfaces and Interfaces
Thin Films
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Summary:A new spectral method for surface investigation based on optical-phase conjugation in an unexcited transparent medium is theoretically developed and experimentally verified. On YAlO 3 :Nd (1 at %) single crystals at room temperature, the phase conjugation of light is revealed for a photon energy equal to half the energy of resonant local oscillations of electrons of impurity centers. The dependences of the intensity of the phase-conjugation signal of light on its spectral structure are investigated. An explanation of the effect of the Raman scattering of light electromagnetic waves by neodymium ions is offered.
ISSN:1027-4510
1819-7094
DOI:10.1134/S1027451018010111