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Atmospheric and Oceanic Optics

2018 year, number 3

Study of a high-frequency copper bromide vapor active medium in the superradiance mode

S.N. Torgaev1,2,3, I.S. Musorov2, M.V. Trigub1,2, G.S. Evtushenko1,2
1V.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of Science, 1, Academician Zuev square, Tomsk, 634021, Russia
2National Research Tomsk Polytechnic University, 30, Lenin Avenue, Tomsk, 634050, Russia
3National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050, Russia
Keywords: активная среда на парах бромида меди, лазерный монитор, частота следования импульсов, радиальный профиль, сверхизлучение, copper bromide active medium, laser monitor, pulse repetition rate, radial profile, supperradiance


Results of experimental studies of two different-size high-frequency active elements of a CuBr laser operating in generator, single-pass amplification, and superradiance modes are presented. A pulse repetition rate of 195 kHz is attained for the first time in the supperradiance mode. Using the method of express estimation of the radial profile, it is shown that the gain profile does not change significantly throughout a wide pulse repetition rate range (up to 195 kHz) in the case of a small-diameter active element.