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Proceedings Paper

Laser-driven vehicles: from inner space to outer space
Author(s): Takashi Yabe; Claude R. Phipps; Keiichi Aoki; Masashi Yamaguchi; Yoichi Ogata; Makoto Shiho; Gen Inoue; Masahiko Onda; Kazuhiko Horioka; Itsuro Kajiwara; Kunio Yoshida
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Paper Abstract

Laser supported propulsion of a micro-airplane with water-covered ablator is demonstrated. The repetitive use of overlay structure is experimentally demonstrated with specially-designed water supply. The various transparent overlay is investigated by the CIP-based hydrodynamic code and experiments by pendulum and semi-conductor load cell. The momentum coupling efficiency of 5000 N-sec/MJ has been achieved by ORION experiments that agree with the simulation code. With the maximum efficiency approximately 105 N- sec/MJ predicted by the simulation, 30 pulses of MJ laser can give the sound speed to 10tons airplane. The concept can also be used for driving a micro-ship inside human body and a robot under the accidental circumstance of nuclear power reactor in which large amount of neutron source makes electronic device useless.

Paper Details

Date Published: 13 September 2002
PDF: 12 pages
Proc. SPIE 4760, High-Power Laser Ablation IV, (13 September 2002); doi: 10.1117/12.482041
Show Author Affiliations
Takashi Yabe, Tokyo Institute of Technology (Japan)
Claude R. Phipps, Photonic Associates (United States)
Keiichi Aoki, Tokyo Institute of Technology (Japan)
Masashi Yamaguchi, Tokyo Institute of Technology (Japan)
Yoichi Ogata, Tokyo Institute of Technology (Japan)
Makoto Shiho, Japan Atomic Energy Research Institute (Japan)
Gen Inoue, National Institute for Environmental Studies (Japan)
Masahiko Onda, National Institute of Advanced Industrial Science (Japan)
Kazuhiko Horioka, Toyko Institute of Technology (Japan)
Itsuro Kajiwara, Toyko Institute of Technology (Japan)
Kunio Yoshida, Osaka Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 4760:
High-Power Laser Ablation IV
Claude R. Phipps, Editor(s)

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