Abstract
A new spectral method for surface investigation based on optical-phase conjugation in an unexcited transparent medium is theoretically developed and experimentally verified. On YAlO3: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.
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Original Russian Text © A.N. Gruzintsev, 2018, published in Poverkhnost’, 2018, No. 1, pp. 76–80.
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Gruzintsev, A.N. Resonant-Phase Conjugation in YAlO3:Nd Single Crystals. J. Surf. Investig. 12, 64–68 (2018). https://doi.org/10.1134/S1027451018010111
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DOI: https://doi.org/10.1134/S1027451018010111