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Title:
LINE BEAM SCANNING OPTICAL SYSTEM AND LASER RADAR
Document Type and Number:
WIPO Patent Application WO/2020/137079
Kind Code:
A1
Abstract:
A laser radar (1) comprises a line beam scanning optical system (10) and a light-receiving optical system (20). The line beam scanning optical system (10) comprises: a plurality of laser beam sources (11a) that is disposed in a row in one direction; an optical deflector (14) that shifts the position of a mirror (14a) to deflect a line beam (B10) in a short-side direction; a fast-axis cylindrical lens (12) that converges laser beams emitted by the plurality of laser beam sources (11a) into substantially parallel beams; and a slow-axis cylindrical lens (13) that condenses the laser beams emitted by the plurality of laser beam sources (11a). The plurality of laser beam sources (11a) is disposed at a position set off from a focal point position on the side, of the slow-axis cylindrical lens (13), that faces the laser beam sources (11a).

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Inventors:
MURAKAMI KIMIHIRO
Application Number:
PCT/JP2019/039648
Publication Date:
July 02, 2020
Filing Date:
October 08, 2019
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01S7/481; G02B26/10
Foreign References:
JPH10325872A1998-12-08
JP2018025606A2018-02-15
JP2000098191A2000-04-07
JP2008028019A2008-02-07
Attorney, Agent or Firm:
SHIBANO, Masanori et al. (JP)
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