Output character of sequence band lines of TEA CO2 laser

liao jun-mei; li yu-de; zhong geng; feng tao; li zhong-hua; liu xiao-yong; ran rui-jiang; chen mei

Volume 20 Issue 02

Feb. 2008

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liao jun-mei, li yu-de, zhong geng, et al. Output character of sequence band lines of TEA CO2 laser[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

liao jun-mei, li yu-de, zhong geng, et al. Output character of sequence band lines of TEA CO2 laser[J]. High Power Laser and Particle Beams, 2008, 20.

liao jun-mei, li yu-de, zhong geng, et al. Output character of sequence band lines of TEA CO2 laser[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

liao jun-mei, li yu-de, zhong geng, et al. Output character of sequence band lines of TEA CO2 laser[J]. High Power Laser and Particle Beams, 2008, 20.

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Output character of sequence band lines of TEA CO2 laser

1.
Department of Electronics and Informatiion Engineering,Sichuan University Jingjiang College,Pengshan 620860,China;
2.
Department of Photoelectric Science and Technology,Sichuan University,Chengdu 610064,China

Publish Date: 2008-02-15

Abstract

Abstract

The study of the TEA CO2 weak lines were carried out by adopting two grating cavities and lengthening the gain region of the discharge chamber. Six near 11 μm weak lines (sequence band and hot band lines) were obtained successfully with 16% CO2, 21% N2, 63% He (volume ratio) at total pressure of 57.3 kPa. The pulse width of weak lines is 400 ns around. While the center of grating is on the axis of the discharge chamber, the maximal energy output appears, which is several hundred mJ.
- tea co2 laser,
- sequence band,
- hot band,
- weak line,
- output character