Experimental investigation of pulsed chemical oxygen-iodine lasers powered by gas discharge with the assistance of surface sliding discharge pre-ionization

Yu Haijun; Li Guofu; Duo Liping; Jin Yuqi; Wang Jian; Sang Fengting; Kang Yuanfu; Yu Hongliang

Continuous wave chemical oxygen-iodine laser can be turned into pulsed operation mode to obtain higher peak power by means of gas discharge. An electrode system with the assistance of surface sliding pre-ionization was proposed to solve the problem of the stable glow discharge with large aperture. The electrode system was applied in pulsed COIL. Laser energy up to 4.4 J with a pulse duration of 58 s was obtained and pulse peak power was 75 kW. The ratio of pulse peak power to continue power was 63. The influence of P and output coupling mirror on laser characteristics was investigated.

1. Marine Engineering College,Dalian Marine University,Dalian 116026,China;

2. Key Laboratory of Chemical Laser,Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023,China

Received Date: 2012-09-10

Rev Recd Date: 2012-10-09

Publish Date: 2013-05-25

Key words:

Abstract: Continuous wave chemical oxygen-iodine laser can be turned into pulsed operation mode to obtain higher peak power by means of gas discharge. An electrode system with the assistance of surface sliding pre-ionization was proposed to solve the problem of the stable glow discharge with large aperture. The electrode system was applied in pulsed COIL. Laser energy up to 4.4 J with a pulse duration of 58 s was obtained and pulse peak power was 75 kW. The ratio of pulse peak power to continue power was 63. The influence of P and output coupling mirror on laser characteristics was investigated.

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Reference (37)

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Experimental investigation of pulsed chemical oxygen-iodine lasers powered by gas discharge with the assistance of surface sliding discharge pre-ionization

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