Analysis of COIL resonator expanding angle design

Shouxian Li; Zhen Yu; Xiaojian Shu; Yanyi Du; Xiangwan Du

doi:10.1117/12.817066

17 April 2009 Analysis of COIL resonator expanding angle design

Shouxian Li, Zhen Yu, Xiaojian Shu, Yanyi Du, Xiangwan Du

Proceedings Volume 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 71310X (2009) https://doi.org/10.1117/12.817066
Event: XVII International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2008, Lisboa, Portugal

Abstract

The factors of Chemical Oxygen-Iodine Laser (COIL) resonator expanding angle design are analyzed in this paper. It is shown that the primary factor is the rate of the releasing heat from the near resonant energy transfer reaction between O₂(¹Δ) and I at the resonator entrance with the laser extracting. It is a characteristic of COIL that the rate of the releasing heat with lasing is bigger than without lasing. A slightly bigger resonator expanding angle than that of constant pressure operating condition is sufficient to avoid the shock wave appearance.

Citation Download Citation

Shouxian Li, Zhen Yu, Xiaojian Shu, Yanyi Du, and Xiangwan Du "Analysis of COIL resonator expanding angle design", Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 71310X (17 April 2009); https://doi.org/10.1117/12.817066

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