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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 2, Iss. 11 — Nov. 10, 2004
  • pp: 650–653

Multi-use laser impulse pendulum and laser propulsion parameters measurement

Jing Li, Huifeng Tong, Jian Cai, Zhiping Tang, and Shengli Li  »View Author Affiliations

Chinese Optics Letters, Vol. 2, Issue 11, pp. 650-653 (2004)

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In order to investigate the mechanisms of both the air-breathing and the ablation modes of laser propulsion under laboratory conditions, a multi-use laser impulse pendulum (MULIP) is developed. The measurable impulse range is from 1.0*10^(-4) to 3.8*10^(-3) N.s. The experimental calibration data agree well with the theoretical calculated data. With MULIP, the ablation mode has been performed, in which a high power pulsed Nd:glass laser (?= 1.06 ?m, ?= 20 ns) and a gray PVC film sample are used. The experimental results show that the maximum momentum coupling coefficient C_(m) is 7.73*10^(-5) N/W, and the maximum specific impulse I_(sp) is 208.6 s.

© 2005 Chinese Optics Letters

OCIS Codes
(000.2190) General : Experimental physics
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(140.3440) Lasers and laser optics : Laser-induced breakdown
(350.5400) Other areas of optics : Plasmas

Jing Li, Huifeng Tong, Jian Cai, Zhiping Tang, and Shengli Li, "Multi-use laser impulse pendulum and laser propulsion parameters measurement," Chin. Opt. Lett. 2, 650-653 (2004)

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