LIU Yuan-zheng, WANG Wei-ke, TAO Bo-liang, XUE Xiang-qian. Magnetic shield design and realization for Zeeman laser gyroscope[J]. Journal of Applied Optics, 2010, 31(5): 814-818.
Citation: LIU Yuan-zheng, WANG Wei-ke, TAO Bo-liang, XUE Xiang-qian. Magnetic shield design and realization for Zeeman laser gyroscope[J]. Journal of Applied Optics, 2010, 31(5): 814-818.
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Magnetic shield design and realization for Zeeman laser gyroscope

  • The Flight Automatic Control Research Institute of AVIC,Xi’an 710065,China

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    • Abstract
  • In order to improve the performance of Zeeman laser gyroscope, its magnetic sensitive characteristics were investigated. It was found that the gyro sensitive axis was the most bias magnetic sensitive axis, which resulted in the primary magnetic errors. Based on the low frequency magnetic shield theory and the key processes, the magnetic shield structure adapted to the laser gyro operation environment was manufactured. By testing it in the threeaxis magnetic system, it was found that the magnetic sensitivity of Zeeman laser gyro was decreased to 1/1000 of the original value. The magnetic sensitivity coefficient reached 2.0()/(hmT), which satisfied the requirements of middle precision guidance system.
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