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IEEJ Trans SM, vol. 126, no.8, 2006, pp. 476-480. (2006)

"惑星探査機搭載用LIDERの2次元走査機構に関する研究"

高原 卓也[1], 三田 信[2], 武山 芸英[3], 浜田 裕介[4],
高橋 巧也[5], 年吉 洋[5], 水野 貴秀[1,2]
[1] 総合研究大学院大学 , [2] 宇宙航空研究開発機構
[3] 株式会社ジェネシア , [4] 武蔵工業大学大学院
[5] 東京大学 生産技術研究所

Abstract:
LIDAR (LIght Detection And Ranging) that measures distance by the laser pulse is a necessary sensor of navigation for a deep space explorer that a deep space exploration that doses a planetary exploration. Two dimension of LIDAR scanning is required from both sides of the navigation control and the science observation in order to make a 3D map of surface efficiently.
This paper proposes a novel method on the beam scanning mechanism for a receiver telescope with big aperture by using MEMS technology. In addition, it reports on the result of executing the basic function experiment of the beam scanning mechanism.
The scanning optics system 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.
We experimented by using the shutter array of 6mm×6mm size. As a result, it succeeded about the scanning angle in the achievement of azimuth angle 8.8deg, elevation angle 8.1deg, and the field of view angle of azimuth angle 1.8deg and elevation angle 0.6deg.

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