Influence of Parameters of Gas Medium on the Fluorescence
of Iodine Molecules
129I2, 127I129I and 127I2 Excited
by Semiconductor Laser Radiation
1

S. V. Kireev* and S. L. Shnyrev**

National Research Nuclear University “MEPhI,” Kashirskoye sh. 31, Moscow, 115409 Russia

*e-mail: svkireyev@mephi.ru
**e-mail: shnyrev@inbox.ru

Received July 19, 2012

Abstract—Calculated and experimental results of studies of the influence of vapor temperature of iodine mol-
ecules (129I2, 127I129I, and 127I2) and pressure of the analyzed medium on the intensity of fluorescence of the
molecules excited by semiconductor laser radiation in the red spectrum region are reported. It is demonstrated
that depending on the wavelength of laser radiation there exist different ranges of temperatures and pressure
values at which the fluorescence intensities of each of the indicated iodine molecules reach their maximum val-
ues.

DOI: 10.1134/S1054660X1212016X


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