Zheng Yijun, Tan Rongqing, Wang Donglei, Zhang Kuohai, Huang Wenwu, Liu Shiming, Li Nengwen, Sun Ke, Lu Yuantian, Diao Weilun. Novel high repetition-rate pulse CO2 laser[J]. Infrared and Laser Engineering, 2013, 42(10): 2697-2701.
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Zheng Yijun, Tan Rongqing, Wang Donglei, Zhang Kuohai, Huang Wenwu, Liu Shiming, Li Nengwen, Sun Ke, Lu Yuantian, Diao Weilun. Novel high repetition-rate pulse CO2 laser[J]. Infrared and Laser Engineering, 2013, 42(10): 2697-2701.
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Novel high repetition-rate pulse CO2 laser
- Received Date: 2013-02-10
- Rev Recd Date:
2013-03-25
- Publish Date:
2013-10-25
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Abstract
A novel transversely excited atmospheric (TEA) CO2 laser with high repetition-rate was reported. The size of laser is 300 mm300 mm300 mm. The discharge volume is 12103 mm3, the length of cavity is 310 mm. The ultraviolet preionization makes the discharge even and stable, the output energy can be as high as 15 mJ under the circumstance of free oscillation, and the full width at half maximum of the light pulse is 70 ns.To acquire the high wind velocity, a turbocharger was used in the system of the fast-gas flow cycle. When the pressure in the cavity is 100 kPa, the wind speed is 100 m/s, and the repetition rate of the TEA CO2 laser is up to 1.5 kHz. On the basis of preliminary experiment, the system of the grating tuning line selection can be applied to the high repetition-rate pulse laser to abtain the output of grating line selection accurately and fast.
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References
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