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Volume 28 Issue 3
Mar.  2002
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Journal of Beijing University of Aeronautics and Astronautics  > 2002  >  28(3): 298-300.
ZHANG Xi, WANG Yan, ZHANG Chun-xi, et al. Driving Technology of the Light Source of FOG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(3): 298-300. (in Chinese)
Citation: ZHANG Xi, WANG Yan, ZHANG Chun-xi, et al. Driving Technology of the Light Source of FOG[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(3): 298-300. (in Chinese)
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Driving Technology of the Light Source of FOG

  • 1.

    Beijing University of Aeronautics and Astronautics, School of Astronautics

  • 2. Ordnance Engineering College

  • Received Date: 18 Sep 2000
  • Publish Date: 31 Mar 2002
    Abstract
  • For the purpose of improving precision and practicability of fiber optic gyroscope(FOG) , a current source and a temperature control circuit were designed for driving the light source of FOG. Considering the characteristics of the FOG, a scheme of controlling the driving current by the feed back light from the coupler and detector of FOG was discussed. The testing results indicated that, in a temperature range of -20℃ to 55℃, the present technology can yield a current precision as high as 0.06%, a temperature control precision of 0.1℃, and a variation of light power less than 0.1%.

     

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    • References(1)
  • [1]黄德修,刘雪峰.半导体激光器及其应用[M].北京:国防工业出版社,1999. [2]Herv é, Lef è vre. The fiber-optic gyroscope norwood[M]． ARTECH HOUSE, 1993. [3]张凤言.电子电路基础[M].北京:高等教育出版社,1995.
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