Volume 7 Issue 3
Jun.  2014
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XUE Pei-yao, WU Yao, FENG Qian, LI Chuan. Design of the large field optical system for four-quadrant detecting[J]. Chinese Optics, 2014, 7(3): 462-468. doi: 10.3788/CO.20140703.0462
Citation: XUE Pei-yao, WU Yao, FENG Qian, LI Chuan. Design of the large field optical system for four-quadrant detecting[J]. Chinese Optics, 2014, 7(3): 462-468. doi: 10.3788/CO.20140703.0462

Design of the large field optical system for four-quadrant detecting

doi: 10.3788/CO.20140703.0462
  • Received Date: 15 Nov 2013
  • Rev Recd Date: 13 Feb 2014
  • Publish Date: 25 May 2014
  • In order to realize large field laser detecting and tracking, the characteristics of optical system are analyzed. First, based on the requirement of light spots uniformity for four-quadrant detector and system indexes, the premium structure of optical system is selected and the method of aberration correcting is presented. Then the large field optical system for four-quadrant detector is designed by using the ZEMAX software. The light spots quality is evaluated by the spot diagram, footprint and encircled energy while the distribution of the rays illuminance on the quadrant detector is obtained by TRACEPRO software. Finally, manufacture and assembly for the optical system are finished and optical performance is tested based on designing result. Testing results indicate that linear field of laser detection system is 6 degree and precision of angle measurement is less than 0.15 degree. Testing curve is consistent with theoretical curve, which validates correction of the design.

     

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