HUANG Shui-hua, JIN Xun, SHEN Zhi, YANG Wei-xin. Optical design and error analysis of NI in DLG[J]. Journal of Applied Optics, 2010, 31(2): 336-339.
Citation: HUANG Shui-hua, JIN Xun, SHEN Zhi, YANG Wei-xin. Optical design and error analysis of NI in DLG[J]. Journal of Applied Optics, 2010, 31(2): 336-339.
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Optical design and error analysis of NI in DLG

  • 1.

    Science college,National University of Defense and Technology, Changsha 410073,China;

  • 2.

    College of Photoelectron Science and Engineering,National University of Defense and Technology,Changsha 410073,China

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  • During the measurement of the dynamic laser goniometer(DLG), its very important to have a collimation device named null-indicator (NI) to establish an accurate zero point, the high speed response and the accuracy of NI are very important. This paper established an error equation of the output pulse, introduced the optical design of the auto-collimation NI and the interference NI, and obtained their errors. The accuracy of the interference NI is 0.05, the auto-collimation NI is 0.23. The interference NI can meet the precision requirement of the DLG.
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    • References (1)
  • ［1］FILATOV Y，AGAPOV M, BURNASHEV M, et al.  Ring laser gyro systems for dynamic calibration of angular optical encoders［R］. Germany：Stuttgart, 2003.  
    ［2］BYCHKOV S I. Space radiotechnical complexes［R］. Moscow Sov.Radio: RUSSIA,1996.
    ［3］何英，李俊强，李华丰.一种新型的动态瞄准装置［J］.航空计测技术，2003，23(4)：20-22.
    HE Yin，LI Jun-qiang，LI Hua-feng. A new equipment of dynamic aiming［J］. Navigation Measurment Technique,2003,23(4):20-22. (in Chinese with an English abstract)
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