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SONG Shi-de, YU Qing-xu. The study of constant temperature and current control system for SLED[J]. LASER TECHNOLOGY, 2004, 28(2): 193-195.
Citation: SONG Shi-de, YU Qing-xu. The study of constant temperature and current control system for SLED[J]. LASER TECHNOLOGY, 2004, 28(2): 193-195.
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The study of constant temperature and current control system for SLED

  • Department of Physics, Dalian University of Technology, Dalian 116024, China

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  • Received Date: March 31, 2003
  • Revised Date: May 18, 2003
  • Published Date: March 24, 2004
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    • Abstract
  • The stability of optical sources is required in many fiber optic sensor systems.This paper describes a high precision constant temperature and constant current control system for SLED, which is based on a singlechip computer.The system is able to control the temperature variation within ±0.01℃ and current drift under ±0.02mA by utilizing PID control algorithm, which meets the demands of the reliability and stability of the optical sources for sensor systems.
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    • References (3)
  • [1]
    WANG D N,NING Y N,PALMER A W et al.IEEE Photon Technol Lett,1994,6(7):855～857.
    [2]
    李川,张以谟,刘铁根 et al.传感技术学报,2001(2):91～95.
    [3]
    黄惟一,胡生清.控制技术与系统.北京:机械工业出版社,2002.66～80.
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