, Volume 93, Issue 2, pp 252-256

Deformation of the Raman scattering spectrum of Ih ice under local laser heating near 0°C

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The Raman band of Nd:YAG laser second-harmonic scattering from the O-H stretching vibrations of hexagonal ice was observed to broaden asymmetrically by 90 cm−1 near 0°C with the pulse repetition frequency increasing from 1 to 8 Hz. The center of this band was found to undergo simultaneously a Stokes shift by 25 cm−1. The observed spectral features can be accounted for by the ice being heated by pulsed laser radiation through the electrocaloric effect, because the one-photon absorption mechanism produces a negligible contribution.

Translated from Optika i Spektroskopiya, Vol. 93, No. 2, 2002, pp. 269–273.
Original Russian Text Copyright © 2002 by Andreeva, Bunkin, Pershin.