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Proceedings Paper

Femtosecond time-resolved study of dynamic laser-induced nonequilibrium grating in Si films
Author(s): Mansur F. Galyautdinov; V. S. Lobkov; S. A. Moiseev; I. V. Negrashov
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Paper Abstract

Kinetics of the decay of a dynamical grating formed by nonequilibrium charge carries in thin monocrystalline silicon films under femtosecond laser excitation are studied. A case of limiting concentration of charge carriers is analyzed. Contributions of ambipolar diffusion and Auger- recombination in the decay of a dynamical grating are estimated. At high intensities an effect of the long-lived dynamical grating is discovered.

Paper Details

Date Published: 14 January 2000
PDF: 5 pages
Proc. SPIE 4061, IRQO '99: Quantum Optics, (14 January 2000); doi: 10.1117/12.375342
Show Author Affiliations
Mansur F. Galyautdinov, Kazan Physical-Technical Institute (Russia)
V. S. Lobkov, Kazan Physical-Technical Institute (Russia)
S. A. Moiseev, Kazan Physical-Technical Institute (Russia)
I. V. Negrashov, Kazan Physical-Technical Institute (Russia)


Published in SPIE Proceedings Vol. 4061:
IRQO '99: Quantum Optics
Vitaly V. Samartsev, Editor(s)

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