The influence of inhomogeneous gain on high-frequency phase of chemical laser beam

Fu-xing Fu; Bin Zhang

doi:10.1117/12.2033581

21 August 2013 The influence of inhomogeneous gain on high-frequency phase of chemical laser beam

Fu-xing Fu, Bin Zhang

Proceedings Volume 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems; 89061F (2013) https://doi.org/10.1117/12.2033581
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

By establishing the model of chemical laser cavity, the eigen mode of laser and the phase distribution of output beam have been simulated numerically, and the influence of inhomogeneous gain on phase characteristics of output beam has been discussed detailedly by analyzing the power spectral density of wavefront phase. The results show that the inhomogeneous gain of chemical laser gives rise to the phase distortion of output wavefront and the obvious increase of high-frequency phase in distortion wavefront; in addition, the degree of high-frequency phase distortion is influenced by the ratio of each component in gain mediums. Therefor, the key factor that resulting in the distortion of high-frequency phase is the inhomogeneous gain.

Citation Download Citation

Fu-xing Fu and Bin Zhang "The influence of inhomogeneous gain on high-frequency phase of chemical laser beam", Proc. SPIE 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems, 89061F (21 August 2013); https://doi.org/10.1117/12.2033581

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