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High temperature resistant ultra-short DBR Yb-doped fiber laser

  • Hushan Wang
  • , Songsong Xiong
  • , Jiazheng Song
  • , Fengyan Zhao
  • , Zhijun Yan
  • , Xiaohu Hong
  • , Ting Zhang
  • , Wei Zhang
  • , Kaiming Zhou
  • , Cheng Li
  • , Yishan Wang*
  • *Corresponding author for this work
  • Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences
  • Chinese Academy of Sciences, Beijing
  • Huazhong University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

We present a distributed Bragg reflector (DBR) Yb-doped fiber laser based on a pair of type IA fiber Bragg gratings (FBGs). The high temperature resistant gratings are fabricated in high absorption hydrogen loaded Yb-doped silica fiber by use of a 244 nm argon laser and phase mask method. The DBR laser, with only 10 mm cavity length, exhibits high signal-noise ratio (SNR) of over 50 dB and can survive at 450°C in a long term with stable output power and central wavelength. Besides, the laser has a relatively low temperature sensitivity of 8.9 pm/°C, which contributes to cross-sensitization of stress and temperature.

Original languageEnglish
Pages (from-to)4474-4478
Number of pages5
JournalApplied Optics
Volume58
Issue number16
Early online date6 May 2019
DOIs
Publication statusPublished - 31 May 2019

Funding

Funding. National Natural Science Foundation of China (NSFC) (61605239, 61690222); CAS-SAFEA International Partnership Program for Creative Research Teams; National Key R&D Program of China (2016YFF0200700, 2017YFB1104400).

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