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0Lasing on optically pumped Ar-Ne active medium at 912 nm
V.A. Shaidulina, Yu.A. Adamenkov, M.A. Gorbunov, E.V. Kabak, A.A. Kalacheva, A.V. Juriev
FSUE "RFNC-VNIIEF", Mira str, 37, Sarov, Russia, 607190
oefimova@otd13.vniief.ru
The optically pumped rare gas laser (OPRGL) is a new type of optically pumped gas laser with high quantum efficiency, which can convert the high output power of a diode laser into the output power of a gas laser with high beam quality. In [1], the first generation on inert gases was demonstrated. According to published open sources, there has been a serious step in the world in studying the properties of the active medium on the model of a laser source based on a mixture of rare gases with optical pumping. The discharge was optimized and became stable at atmospheric pressure [2,3].
Results of measurement of laser output power on mixture of inert gases with optical pumping (OPRGL) are presented. An experimental gas mixture consisting of 98% Ne (buffer gas) and 2% Ar was used as the active medium.
The main registered parameter of the experiments was the generation power, which was measured by an optical calorimeter. Variable parameters in experiments were: pressure and flow rate of the gas mixture in the discharge chamber, reflection of the output mirror of the (flat) optical resonator, repetition rate of discharge pulses. Laser generation at a wavelength of 912 nm was obtained and the generation power level was investigated depending on the experimental setup parameters. The maximum value of the obtained lasing power was 110 mW.
[1] J. Han and M.C. Heaven, Gain and lasing of optically pumped metastable rare gas atoms, Optics Letters. - 2012. - Vol. 37, No. 11, pp. 2157-2159.
[2] D.J. Emmons and D.E. Weeks, Kinetics of high pressure argon-helium pulsed gas discharge, Journal of Applied Physics. - 2017. -Vol. 121, No. 20.
[3] J. Han, L. Glebov, G. Venus, M.C. Heaven, Demonstration of diode-pumped metastable Ar laser, Optics Letters. - 2013. - Vol. 38, No. 24, pp. 5458-5461.
