Repetitively pulsed Fe: ZnSe laser with an average output power of 20 W at room temperature of the polycrystalline active element

The energy and spectral-temporal characteristics of a Fe : ZnSe laser operating in pulsed and repetitively pulsed regimes are studied at room temperature of the polycrystalline active element. The crystal was pumped by a nonchain electric-discharge HF laser. The energy of the Fe : ZnSe laser in a si...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2017-05, Vol.47 (4), p.303-307
Main Authors: Velikanov, S.D., Gavrishchuk, E.M., Zaretsky, N.A., Zakhryapa, A.V., Ikonnikov, V.B., Kazantsev, S.Yu, Kononov, I.G., Maneshkin, A.A., Mashkovskii, D.A., Saltykov, E.V., Firsov, K.N., Chuvatkin, R.S., Yutkin, I.M.
Format: Article
Language:English
Subjects:
average output power
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
EFFICIENCY
ELECTRIC DISCHARGES
electric-discharge HF laser
Fe: ZnSe laser
HF lasers
LASERS
polycrystal
POLYCRYSTALS
Power efficiency
Pulse repetition rate
PULSES
PUMPING
repetitively pulsed regime
Room temperature
TEMPERATURE RANGE 0273-0400 K
ZINC SELENIDES
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Summary:The energy and spectral-temporal characteristics of a Fe : ZnSe laser operating in pulsed and repetitively pulsed regimes are studied at room temperature of the polycrystalline active element. The crystal was pumped by a nonchain electric-discharge HF laser. The energy of the Fe : ZnSe laser in a single-pulse regime was 1.67 J at the slope efficiency with respect to the absorbed and incident energy of ∼43% and ∼27%, respectively. In a repetitively pulsed regime with a pulse repetition rate of 20 Hz and an efficiency with respect to the absorbed power of ∼40%, the average laser power was ∼20 W with an individual pulse energy of ∼1 J. The possibility of increasing the average power of the repetitively pulsed Fe : ZnSe laser at room temperature is discussed.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16324