Ultraviolet and infrared lasers with high efficiency

Victor F. Tarasenko; Evgenii H. Baksht; Andrei V. Fedenev; Victor M. Orlovskii; Alexei N. Panchenko; Victor S. Skakun; Edward A. Sosnin

doi:10.1117/12.321596

14 September 1998 Ultraviolet and infrared lasers with high efficiency

Victor F. Tarasenko, Evgenii H. Baksht, Andrei V. Fedenev, Victor M. Orlovskii, Alexei N. Panchenko, Victor S. Skakun, Edward A. Sosnin

Author Affiliations +

Proceedings Volume 3343, High-Power Laser Ablation; (1998) https://doi.org/10.1117/12.321596
Event: High-Power Laser Ablation, 1998, Santa Fe, NM, United States

Abstract

The results of the experimental study of UV and IR lasers pumped by various methods are presented. The accelerators with radially converging or planar e-beams pumping gas mixtures at pressures up to 3 atm and self-sustained discharges were used. The highest laser radiation energies in the UV up to 2 kJ have been obtained at (lambda) equals 308 nm. Output of 100 J at (lambda) equals 1.73 micrometer in Ar-Xe mixture and 50 J at (lambda) equals 2.03 micrometer in He-Ar-Xe mixture was obtained from the e-beam laser with active volume of 600 l. Output energies of 110 J at (lambda) equals 308 nm and 90 J at (lambda) approximately 250 nm, respectively, were achieved in compact high-power e-beam laser with chamber of 20 cm in diameter and 30 l active volume. This e-beam geometry was shown to be very promising for excitation of non-chain HF- laser media. HF-laser efficiency with respect to deposited energy as high as approximately 10% and energy up to 200 J at (lambda) approximately 2.8 micrometer were demonstrated. Amplification of XeCl-laser beam from master oscillators and amplifiers under conditions of strong amplified spontaneous emission is considered. Investigations of CO₂ laser excited by e-beam controlled discharge and e-beam ignited discharge were performed. The highest laser output in the IR of 3 kJ have been obtained at (lambda) equals 10.6 micrometer.

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Victor F. Tarasenko, Evgenii H. Baksht, Andrei V. Fedenev, Victor M. Orlovskii, Alexei N. Panchenko, Victor S. Skakun, and Edward A. Sosnin "Ultraviolet and infrared lasers with high efficiency", Proc. SPIE 3343, High-Power Laser Ablation, (14 September 1998); https://doi.org/10.1117/12.321596

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