The high-speed molecular switch (stabilizer) of temperature on the basis of Vavilov-Pringsheim cycle: the principle and approaches

V. V. Danilov; V. A. Smirnov; V. B. Shilov

doi:10.1117/12.740024

10 April 2007 The high-speed molecular switch (stabilizer) of temperature on the basis of Vavilov-Pringsheim cycle: the principle and approaches

V. V. Danilov, V. A. Smirnov, V. B. Shilov

Author Affiliations +

Proceedings Volume 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control; 66130O (2007) https://doi.org/10.1117/12.740024
Event: Laser Optics 2006, 2006, St. Petersburg, Russian Federation

Abstract

We reveal conditions of collective photoinduced luminescence occurrence in model solutions. Experimental study of transmission and luminescence of concentrated Rhodamine 101 solutions at excitation by laser pulses in the Stokes and anti-Stokes spectral area showed that the collective photoinduced luminescence, competing with stimulated emission, plays a significant role in luminescence formation at high pumping energies. Cooling and heating of the solutions are estimated. Cooling photodynamics is analyzed for solutions of complex molecules at pulsed, both Stokes and anti- Stokes, excitation of admixture centers. It is shown, that in anti-Stokes area the competition of the compelled processes of absorption, two- photon absorption, light suppression and the photoinduced collective cold light result to occurrence of area in which there is a change of a sign on temperature processes.

Citation Download Citation

V. V. Danilov, V. A. Smirnov, and V. B. Shilov "The high-speed molecular switch (stabilizer) of temperature on the basis of Vavilov-Pringsheim cycle: the principle and approaches", Proc. SPIE 6613, Laser Optics 2006: Wavefront Transformation and Laser Beam Control, 66130O (10 April 2007); https://doi.org/10.1117/12.740024

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