Double-pass hybrid resonator for COIL

Carsten Pargmann; Thomas Hall; Frank Duschek; Karin M. Grünewald; Jürgen Handke

doi:10.1117/12.816817

17 April 2009 Double-pass hybrid resonator for COIL

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin M. Grünewald, Jürgen Handke

Proceedings Volume 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 71310F (2009) https://doi.org/10.1117/12.816817
Event: XVII International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2008, Lisboa, Portugal

Abstract

Based on the experiences made with a negative-branch hybrid resonator (NBHR) a double-pass configuration of the NBHR for a 10 kW class Chemical Oxygen Iodine Laser (COIL) is investigated. Measurements of the intensity distribution of the far field are performed, as well as measurements of the sensitivity against tilts of one of the resonator mirrors. The results are compared to calculations done with the help of the Fresnel-Kirchhoff theory. Enhanced results for divergence, power density in the far field and sensitivity are achieved.

Citation Download Citation

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin M. Grünewald, and Jürgen Handke "Double-pass hybrid resonator for COIL", Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 71310F (17 April 2009); https://doi.org/10.1117/12.816817

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