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Active medium of long-pulsed CO2 and CO laser as a phase conjugating mirror
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Paper Abstract

The results of experiments on four-wave interaction of electron-beam-controlled discharge long pulsed CO2-lasers' (t-20 microsecond(s) ) and CO- lasers' (t approximately 200 microsecond(s) ) radiation inside their active medium are presented. Linearly polarized probe CO2 (CO-) laser beam intersects strong electromagnetic waves counterpropagating through an inverted medium inside the laser resonator. The laser beam reflected from the active medium has been registered both in near-field zone and in far field one. The experiments on recovering of optical images in near-field zone and recovering of angular divergency of laser radiation in far-field zone demonstrated that reflected beam was phase-conjugated one. The reflectivity of phase-conjugated beam was up to 2% for CO2-laser and up to 0.2% for CO- laser. The time-history of phase-conjugation reflectivity and comparison with theoretical results are discussed.

Paper Details

Date Published: 31 March 1995
PDF: 6 pages
Proc. SPIE 2502, Gas Flow and Chemical Lasers: Tenth International Symposium, (31 March 1995); doi: 10.1117/12.204911
Show Author Affiliations
L. A. Afanas'ev, P.N. Lebedev Physical Institute (Russia)
Andrei A. Ionin, P.N. Lebedev Physical Institute (Russia)
Yurii M. Klimachev, P.N. Lebedev Physical Institute (Russia)
Andrei A. Kotkov, P.N. Lebedev Physical Institute (Russia)
Dmitrii V. Sinitsyn, P.N. Lebedev Physical Institute (Russia)

Published in SPIE Proceedings Vol. 2502:
Gas Flow and Chemical Lasers: Tenth International Symposium
Willy L. Bohn; Helmut Huegel, Editor(s)

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