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Two Dimensional Scanning LIDAR for Planetary Explorer

[+] Author Affiliations
Takahide Mizuno, Makoto Mita

Japan Aerospace Exploration Agency, Sagamihara, Japan

Takuya Takahara

The Graduate University for Advanced Studies, Hayama, Japan

Yusuke Hamada

Musashi Institute of Technology, Tokyo, Japan

Norihide Takeyama

Genesia Corporation, Tokyo, Japan

Takuya Takahashi, Hiroshi Toshiyoshi

University of Tokyo, Tokyo, Japan

Paper No. CANEUS2006-11038, pp. 189-194; 6 pages
doi:10.1115/CANEUS2006-11038
From:
  • CANEUS 2006: MNT for Aerospace Applications
  • CANEUS2006: MNT for Aerospace Applications
  • Toulouse, France, August 27–September 1, 2006
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4254-1 | eISBN: 0-7918-3787-4
  • Copyright © 2006 by ASME

abstract

The two-dimensional scanning LIDAR system which used MEMS technology is proposed. The specification of LIDAR under development are measurable range of 50m–50km, ±5 degrees of scanning angles, 10Hz repetition rate, and ±1m in range finding accuracy. By adopting monolithic YAG laser as a laser source, the tolerance over machine vibration has been improved with volume and weight saving. For a transmitting laser scan, adoption of a magnetic resonance drive type single micro-mirror is considered. In this system, we propose a novel method on the beam scanning mechanism for a receiver telescope with big aperture by using MEMS technology. The scanning optics system of receiver telescope is composed by a telecentric telescope and a micro shutter array. This optical system has achieved a narrow viewing angle corresponding to aperture of the shutter by limiting the view of the telescope that has a wide viewing angle with the shutter. The basic function of the scanning system of receiver optics is already checked experimentally.

Copyright © 2006 by ASME

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