Optika Atmosfery i Okeana Journal

Vol. 21, issue 02, article # 11

Qu Y., Kan Zhenghui., Wang Tie-June., Andreev Yu. M., Lanskii G. V., Morozov A. N., Sarkisov S. Yu. GaSe_1-xS_x second harmonic generators for СО₂ lidars. // Atmospheric and oceanic optics. 2008. V. 21. No. 02. P. 146-151. PDF
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Abstract:

Phase matching conditions, damage threshold, nonlinear and thermal properties of solid solution crystals GaSe_1-xS_x with the mixing ratio x ≤ 0.4 have been studied. Tunable СО₂ laser SHG with GaSe_0,867S_0,133, GaSe_0,71S_0,29, and GaSe_0,6S_0,4 were investigated. The CO content in the atmosphere was measured with the lasers, being in the composition of TT differential absorption lidars.