Improved Conversion Efficiency To The First Stokes At High Energy Excimer Laser Pulses

A. Luches; V. Nassisi; M. R. Perrone

doi:10.1117/12.941229

22 September 1987 Improved Conversion Efficiency To The First Stokes At High Energy Excimer Laser Pulses

A. Luches, V. Nassisi, M. R. Perrone

Proceedings Volume 0801, High Power Lasers: Sources, Laser-Material Interactions, High Excitations, and Fast Dynamics; (1987) https://doi.org/10.1117/12.941229
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

Stimulated Raman scattering has been investigated in H2 and in different H₂ - foreing gas mixtures with a UV - preionized XeCl discharge laser (308 nm) as the pump. Helium, neon and nitrogen have been tested as foreing gases.The energy conversion efficiency of the pump laser beam to Stokes beams has been investigated as a function of the foreing gas concentration and of the pump beam energy. In all the investigated mixtures with 50 percent of H2, the energy conversion efficiency to the first Stokes was more than 70% higher than that obtained in pure H₂ at the same total pressure (40 bar) and pump energy (60 mJ).

Citation Download Citation

A. Luches, V. Nassisi, and M. R. Perrone "Improved Conversion Efficiency To The First Stokes At High Energy Excimer Laser Pulses", Proc. SPIE 0801, High Power Lasers: Sources, Laser-Material Interactions, High Excitations, and Fast Dynamics, (22 September 1987); https://doi.org/10.1117/12.941229

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