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Proceedings Paper

Modeling of free-generation regime of iodine photodissociation laser with variable internal loss
Author(s): Jaroslav Beranek; Milos Chvojka; Bozena Kralikova; Karel Masek; Karel Rohlena; Jiri Skala
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Paper Abstract

A fairly complex kinetic model was constructed to describe a free-running regime of iodine photodissociation laser at slow pumping. The slow pumping means that the pumping time is longer than the characteristic time of sound propagation across the cross-section of the laser tube, but the acoustic perturbation does not interfere with the inversion population inducing just the refraction index gradient. In this contribution the time variations of the refraction index are projected in the time dependent internal loss of the resonator, which renders temporal variations of the generated pulse or even a break in the generation. Internal loss modulation is derived from measured temporal development of active medium optical aberrations. The resulting free-generation pulse is compared with the measured one.

Paper Details

Date Published: 23 April 1993
PDF: 10 pages
Proc. SPIE 1980, Iodine Lasers and Applications, (23 April 1993); doi: 10.1117/12.144530
Show Author Affiliations
Jaroslav Beranek, Institute of Physics (Czech Republic)
Milos Chvojka, Institute of Physics (Czech Republic)
Bozena Kralikova, Institute of Physics (Czech Republic)
Karel Masek, Institute of Physics (Czech Republic)
Karel Rohlena, Institute of Physics (Czech Republic)
Jiri Skala, Institute of Physics (Czech Republic)


Published in SPIE Proceedings Vol. 1980:
Iodine Lasers and Applications

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