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Proceedings Paper

Changes of photon echo by electromagnetic pulses in LaF3:Pr3+
Author(s): Anatoly M. Shegeda; B. M. Khabibullin; V. N. Lisin; Vladimir A. Zuikov; Vitaly V. Samartsev
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Paper Abstract

A strong decreasing of the intensity of the inverse 2-pulse, 3-pulse and long lived 3-pulse photon echo was observed when a current pulse passed through the strip evaporated onto the surface of the sample (current pulse was applied before or after the laser pulses). The strip is heated by the current pulse and there is the voltage difference at the ends of the strip. The voltage difference creates instantly the nonuniform electric field in the region of optical excitation so the echo intensity is decreased by the short-lived nonuniform line width rise. The line width rise is differentiated for the distinct type ion sites in the LaF3 unit cell. The strip current-heating gives rise to a phonon pulse. When phonon pulse reaches the optically excited volume it causes the shift of energy levels of Pr3+ ions, effecting a phase accumulation and the echo intensity change as a consequence.

Paper Details

Date Published: 10 May 1996
PDF: 5 pages
Proc. SPIE 2798, Coherent Phenomena and Amplification without Inversion, (10 May 1996); doi: 10.1117/12.239465
Show Author Affiliations
Anatoly M. Shegeda, Zavoisky Physical-Technical Institute (Russia)
B. M. Khabibullin, Zavoisky Physical-Technical Institute (Russia)
V. N. Lisin, Zavoisky Physical-Technical Institute (Russia)
Vladimir A. Zuikov, Zavoisky Physical-Technical Institute (Russia)
Vitaly V. Samartsev, Zavoisky Physical-Technical Institute (Russia)


Published in SPIE Proceedings Vol. 2798:
Coherent Phenomena and Amplification without Inversion
A. L. Andreev; Olga A. Kocharovskaya; Paul Mandel, Editor(s)

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