Tunable TEA CO<sub>2</sub> laser using tubulous preionizer

ji hongxu; tan rongqing; liu shiming; zhu yufeng; wen kang; wang donglei; an ran; zheng yijun; zhang kuohai; huang wenwu; zeng yuan

Volume 23 Issue 03

Mar. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(03): 0-

bei hua, dai dong-dong, dai zhi-min. Simulation of Smith-Purcell radiation from compact terahertz source[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

ji hongxu, tan rongqing, liu shiming, et al. Tunable TEA CO₂ laser using tubulous preionizer[J]. High Power Laser and Particle Beams, 2011, 23.

bei hua, dai dong-dong, dai zhi-min. Simulation of Smith-Purcell radiation from compact terahertz source[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

ji hongxu, tan rongqing, liu shiming, et al. Tunable TEA CO₂ laser using tubulous preionizer[J]. High Power Laser and Particle Beams, 2011, 23.

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Tunable TEA CO₂ laser using tubulous preionizer

1.
Institute of Electronics,Chinese Academy of Sciences,Beijing 100190,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2011-03-15

Abstract

Abstract

Tunable transversely excited atmospheric-pressure (TEA) CO2 laser has potential applications in laser radar, laser chemistry and laser propulsion. A new type of preionizer used in tunable TEA CO2 laser was investigated. With the means of grating line selection, tunable laser output was realized by grating resonator. On the condition that the output coupling efficiency is 50% and the pressure is 40 kPa, the maximal electro-optical efficiency of 10P(20),10R(20),9P(20) and 9R(20) lines is 9.5%, 9.7%, 9.8% and 9.8%, respectively. When the gas pressure is 30 kPa and the output coupling efficiency is 50%, the repetition rate is 190 Hz of the highest value. At the same time, the average power of 10P(20),10R(20),9P(20) and 9R(20) lines is 332, 321, 340 and 338 W, respectively
- laser technique,
- tea co2 laser,
- tubulous preionizer,
- high repetition rate,
- tunable

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