Instantaneous heating and temperature measurement of the local volume inside water and ice samples by remote laser technique

A. F. Bunkin; Serguei M. Pershin

doi:10.1117/12.340040

5 February 1999 Instantaneous heating and temperature measurement of the local volume inside water and ice samples by remote laser technique

A. F. Bunkin, Serguei M. Pershin

Author Affiliations +

Proceedings Volume 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine; (1999) https://doi.org/10.1117/12.340040
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

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.

Citation Download Citation

A. F. Bunkin and Serguei M. Pershin "Instantaneous heating and temperature measurement of the local volume inside water and ice samples by remote laser technique", Proc. SPIE 3732, ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, (5 February 1999); https://doi.org/10.1117/12.340040

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