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CHEN Wei, YANG Zhu, ZHANG Wei. Design of high precision laser temperature control circuit[J]. LASER TECHNOLOGY, 2014, 38(5): 669-674. DOI: 10.7510/jgjs.issn.1001-3806.2014.05.020
Citation: CHEN Wei, YANG Zhu, ZHANG Wei. Design of high precision laser temperature control circuit[J]. LASER TECHNOLOGY, 2014, 38(5): 669-674. DOI: 10.7510/jgjs.issn.1001-3806.2014.05.020
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Design of high precision laser temperature control circuit

  • 1.

    Wuhan Research Institute of Posts and Telecommunications, Wuhan 430074, China;

  • 2.

    Oplink Communications Inc., Wuhan 430074, China

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  • Received Date: October 07, 2013
  • Revised Date: January 19, 2014
  • Published Date: September 24, 2014
    Graphical Abstract
    • Abstract
  • In order to maintain the stability of the emission wavelength of an optical transceiver, a thermoelectric cooler was adopted to control the temperature in the transceiver. A temperature control circuit was designed with high sampling precision and fast response speed. Through theoretical analysis and experimental verification, the dependence of emission wavelength on the temperature was obtained in the application temperature range. The results show that the optimized temperature control circuit of thermoelectric cooler has good performance, which can control the temperature of the laser accurately and quickly and lock the emission wavelength within 20pm change range. The design meets the requirements of practical applications fully.
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    • References (10)
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