Efficient operation modes of a non-chain HF-laser pumped by self-sustained discharge

Alexei N. Panchenko; Victor M. Orlovskii; Victor F. Tarasenko; Evgenii H. Baksht

doi:10.1117/12.518087

6 October 2003 Efficient operation modes of a non-chain HF-laser pumped by self-sustained discharge

Alexei N. Panchenko, Victor M. Orlovskii, Victor F. Tarasenko, Evgenii H. Baksht

Proceedings Volume 5137, International Conference on Lasers, Applications, and Technologies 2002: Advanced Lasers and Systems; (2003) https://doi.org/10.1117/12.518087
Event: International Conference on Lasers, Applications, and Technologies 2002, 2002, Moscow, Russian Federation

Abstract

Amplitude-temporal and spectral paramters of laser radiation and electric discharge parameters in gas mixtures of SF₆ with hydrogen and hydrocarbons in the high efficiency operation mode are studied. The laser effiency with respect to deposited energy up to ηdep ~10% is obtained using both inductive and capacitor generators. It was shown that maximal efficiency of the HF-laser is reached under high E/p parameter value across the laser gap during excitation pulse (where E is the electric field strength, p is the gas mixture pressure). Application of profilated electrodes along with UV preionization allows to obtain specific output of the non-chain HF-laser of about 140 J/l×atm and total laser efficiency η0~4.5%. It was found that output spectra of the laser in the high efficiency operation mode significantly widen and cascade laser action on some rotational lines of HF molecule vibrational transitions v(3-2) → v(2-1) → v(1-0) is observed.

Citation Download Citation

Alexei N. Panchenko, Victor M. Orlovskii, Victor F. Tarasenko, and Evgenii H. Baksht "Efficient operation modes of a non-chain HF-laser pumped by self-sustained discharge", Proc. SPIE 5137, International Conference on Lasers, Applications, and Technologies 2002: Advanced Lasers and Systems, (6 October 2003); https://doi.org/10.1117/12.518087

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