Phase-conjugation of high-power molecular CO2 and CO lasers radiation inside their active medium

L. A. Afanas'ev; Andrei A. Ionin; Yurii M. Klimachev; Andrei A. Kotkov; Dmitrii V. Sinitsyn

doi:10.1117/12.184586

16 August 1994 Phase-conjugation of high-power molecular CO₂ and CO lasers radiation inside their active medium

L. A. Afanas'ev, Andrei A. Ionin, Yurii M. Klimachev, Andrei A. Kotkov, Dmitrii V. Sinitsyn

Proceedings Volume 2206, High-Power Gas and Solid State Lasers; (1994) https://doi.org/10.1117/12.184586
Event: Europto High Power Lasers and Laser Applications V, 1994, Vienna, Austria

Abstract

The results of experiments on four-wave interaction of electron-beam-controlled discharge (EBCD) pulsed CO₂- and CO- lasers' 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. The experiments on recovering of optical images in near-field zone and recovering of angular divergency of laser radiation in far-field zone demonstrate that the reflected beam was a phase- conjugated one. The reflectivity of the 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.

Citation Download Citation

L. A. Afanas'ev, Andrei A. Ionin, Yurii M. Klimachev, Andrei A. Kotkov, and Dmitrii V. Sinitsyn "Phase-conjugation of high-power molecular CO₂ and CO lasers radiation inside their active medium", Proc. SPIE 2206, High-Power Gas and Solid State Lasers, (16 August 1994); https://doi.org/10.1117/12.184586

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