Generalized Self-Filtering Unstable Resonators Applied To XeCl Lasers

V. Nassisi; M. R. Perrone

doi:10.1117/12.950139

26 April 1989 Generalized Self-Filtering Unstable Resonators Applied To XeCl Lasers

V. Nassisi, M. R. Perrone

Proceedings Volume 1023, Excimer Lasers and Applications; (1989) https://doi.org/10.1117/12.950139
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

We present the results of a detailed experimental study of the operation of two Gen-eralized Self-Filtering Unstable Resonators applied respectively to two different UV-preionized excimer lasers. By applying a G-SFUR with magnification |M|=10 to a short pulse XeC1 laser, a diffraction limited laser beam of 3.5 mJ, 11 ns duration and with a brightness of 4.8 x 1013 W cm-2 Sr-1 has been obtained. With a G-SFUR having |M|=20 applied to a longer pulse XeCl laser a diffraction limited beam of 21 mJ, 18 ns duration and with a brightness of 2.1 x 1014 W cm-2 Sr-1 has been obtained. The effect of the filtering aperture dimension on the output beam energy and divergence has been also investigated.

Citation Download Citation

V. Nassisi and M. R. Perrone "Generalized Self-Filtering Unstable Resonators Applied To XeCl Lasers", Proc. SPIE 1023, Excimer Lasers and Applications, (26 April 1989); https://doi.org/10.1117/12.950139

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