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Proceedings Paper

Optical system integration of near infrared laser altimeter
Author(s): Haihong Zhang; Jianyu Wang; Rong Shu; Yihua Hu; Kangmei Fang
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Paper Abstract

The method for designing beam expander of near infrared laser altimeter is discussed in the paper. By designing the beam expander with 632.8nm and 1064nm respectively and integrating it with 632.8nm design but compensating the chromatic aberration with 1064nm design with gasket and finally testing the result with 1064nm laser, the beam expander with requirement magnification is integrated. With a simulate detector and a Continuous-Wave (CW) 1064nm laser, an infinite light with divergence of the Field-of-View (FOV) of the telescope is produced. By acquiring the image of this infinite lignt and the laser transmitter at a 4m collimator's focal plane using a CCD camera and adjusting the relative azimuth and pitching of the transmitter and receiver, the alignment of the two subsystems is finished with the decentration less than 5%.

Paper Details

Date Published: 23 February 2006
PDF: 5 pages
Proc. SPIE 6150, 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 61503E (23 February 2006); doi: 10.1117/12.678615
Show Author Affiliations
Haihong Zhang, Shanghai Institute of Technical Physics (China)
Jianyu Wang, Shanghai Institute of Technical Physics (China)
Rong Shu, Shanghai Institute of Technical Physics (China)
Yihua Hu, Shanghai Institute of Technical Physics (China)
Kangmei Fang, Shanghai Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 6150:
2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment
Xun Hou; Jiahu Yuan; James C. Wyant; Hexin Wang; Sen Han, Editor(s)

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