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High repetition frequency laser on self-terminating calcium ion transitions
Lavrukhin M.A.
1, Bokhan P. A.
1, Gugin P.P.
1, Zakrevsky D.E.1,2
1Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk State Technical University, Novosibirsk, Russia
2Novosibirsk State Technical University, Novosibirsk, Russia
Email: lavrukhin@isp.nsc.ru, bokhan@isp.nsc.ru, gugin@isp.nsc.ru, zakrdm@isp.nsc.ru
The results of experimental studies of the parameters of laser on self-terminating calcium ion transitions with λ1=854.2 nm and with λ2=866.2 nm under the excitation by pulses with nanosecond edges are presented. In the burst operation mode the average power of 5.3 W was obtained at a pulse repetition frequency of 90 kHz with lasing efficiency of ~ 0.076%. It is demonstrated that at high pulse repetition frequency the specific energy of the laser are not inferior to the values of lasers on self-terminating transitions of the copper atom with a comparable volume of the active medium. Keywords: laser, calcium, self-terminating transitions, laser oscillation, pulse repetition frequency.
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