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  • Received: Mar. 29, 2004

    Accepted: --

    Posted: Jun. 6, 2006

    Published Online: Jun. 6, 2006

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    Ping Gong, Rongqing Tan, Zhiping Tang, Yijun Zheng, Jian Cai, Changjun Ke, Xiaojun Hu, Chongyi Wan, Yanning Yu, Shiming Liu, Jin Wu, Jinwen Zhou, Yan Lv, Guang Zheng. Experimental investigation of the effects of laser parameters on laser propulsion[J]. Chinese Optics Letters, 2004, 2(9): 09538

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Chinese Optics Letters, Vol. 2, Issue 9, 09538 (2004)

Experimental investigation of the effects of laser parameters on laser propulsion

Ping Gong1, Rongqing Tan2, Zhiping Tang1, Yijun Zheng2, Jian Cai1, Changjun Ke2, Xiaojun Hu1, Chongyi Wan2, Yanning Yu2, Shiming Liu2, Jin Wu2, Jinwen Zhou2, Yan Lv2, and Guang Zheng2

Author Affiliations

  • 1Key Lab for Mechanical Behavior and Design of Materials, Chinese Academy of Sciences, Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026
  • 2Department of High Power Lasers, Electronics Research Institute, Chinese Academy of Sciences, Beijing 100080

Abstract

The effects of main laser parameters, such as pulse energy, pulse duration, frequency, and work time on laser propulsion of "air-breathing mode", are investigated experimentally with a high power and high repetition frequency TEA-CO2 pulsed laser. The results show that the momentum coupling coefficient C_(m) decreases with increasing the pulse energy for single pulse tests and pulse duration of about 1 μs. Either higher or lower frequency will reduce C_(m) in multi-pulse tests, which suggests an optimal frequency for the maximum C_(m). As to the work time, the longer the work time is, the less the C_(m) will be.

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