SONG Yan-yan, WANG Ke-wei, HU Ling, ZHANG Ming, AN Jing, Xue Yong-gang. Parallelism detection of optical axes for electro-optical system[J]. Journal of Applied Optics, 2009, 30(5): 802-805.
Citation: SONG Yan-yan, WANG Ke-wei, HU Ling, ZHANG Ming, AN Jing, Xue Yong-gang. Parallelism detection of optical axes for electro-optical system[J]. Journal of Applied Optics, 2009, 30(5): 802-805.
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Parallelism detection of optical axes for electro-optical system

  • 1.

    Xi’an Institute of Applied Optics,Xi’an 710065,China;

  • 2.

    Xi’an Military Representative Agency of Army Aviation Force of PLA,Xi’an 710065,China

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    • Abstract
  • Several methods to detect the optical axes parallelism of multi-sensor electro-optical system were analyzed. The advantages and weakness of each method were compared. A practical method is proposed, which converts laser in infrared band to visible light detectable by CCD with an upconversion plate. A red spot was generated on the plate and retained for a while. The spot generated by the low frequency single pulse laser can be detected easily by a CCD. After some further processing, some parameters of the laser such as centroid and dimension can be measured and the parallelism between laser path and optical observation path can be detected.
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    • References (1)
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