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Proceedings Paper

Instantaneous heating and temperature measurement of the local volume inside water and ice samples by remote laser technique
Author(s): A. F. Bunkin; Serguei M. Pershin
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Paper Abstract

The instantaneous heating of distilled water by Nd:YAG laser second harmonic pulses irradiation have been found out experimentally. The measurements have been carried out in backscattering scheme and experimental Raman spectra of water molecules stretching vibrations band were approximated by Lorentz or Gauss contour by the least squares technique. The temperature shift coefficient of both the envelope contour center is (1.0 plus or minus 0.1)cm-1 and laster pulse repetition rate temperature shifts are 2 degrees/Hz for water and 4 degrees/Hz for ice. Temperature anomalies in the approximated contour width and frequency are revealed in distilled water near the phase transition points 4, 36 and 75 degrees Celsius.

Paper Details

Date Published: 5 February 1999
PDF: 7 pages
Proc. SPIE 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, (5 February 1999); doi: 10.1117/12.340040
Show Author Affiliations
A. F. Bunkin, General Physics Institute (Russia)
Serguei M. Pershin, Space Research Institute (Russia)


Published in SPIE Proceedings Vol. 3732:
ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine
Andrey Yuri Chikishev; Victor N. Zadkov; Alexei M. Zheltikov, Editor(s)

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