Temperature sensing based on chaotic correlation fiber loop ring down system

Chong Qin, Lingzhen Yang, Jianjun Yang, Jun Tian, Juanfen Wang, Zhaoxia Zhang, Pingping Xue, Yongkang Gong, Kang Li

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Abstract

We report on a 928 nm laser based on quasi-three-level transition of 4F3/2 → 4I9/2 in a Nd:Gd0.69Y0.3TaO4 mixed single crystal. With LD pumping at 808 nm, an output energy of 29.8 mJ at 928 nm is achieved with an optical-to-optical efficiency of 16.5% and a slope efficiency of 21.2%. In comparison, using 879 nm LD pumping, the maximum output energy at 928 nm reaches 48.5 mJ with an optical-to-optical efficiency of 33.4% and a slope efficiency of 38.0%.
Original languageEnglish
Pages (from-to)141-146
JournalOptical Fiber Technology
Volume47
Issue numberJanuary 2019
Early online date28 Nov 2018
DOIs
Publication statusPublished - 31 Jan 2019

Keywords

  • Chaotic fiber laser
  • Temperature sensor
  • Chaotic autocorrelation coefficient
  • Fiber loop ring down
  • Fiber Bragg grating

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