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Atmospheric and Oceanic Optics

2014 year, number 12

Study of metal vapor laser power supply with pulsed charging of storage capacitance

M. V. Trigub1,2, D. N. Ogorodnikov2, V. A. Dimaki1
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
Keywords: metal–vapor laser, copper–bromide laser, power supply, charge circuit, simulation

Abstract

In this paper, the operating modes of a power supply for metal vapor lasers, in particular CuBr lasers, with pulsed charge of working capacitor were studied. A half–bridge inverter has a function of charging circuit for the storage capacitor. By varying the ratio of capacitances in the halfbridge circuit and the storage capacitor we observed different modes characterized by different charging time of the storage capacitor and amplitude of charging current. Based on requirements for a laser designed, it is useful to choose different operating modes of the inverter. When developing a highfrequency laser, it is better to use the operating mode with total discharge of capacitances in the halfbridge circuit, because it provides more time for closing the switch.