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Investigation on 1.3 μm laser performance with Nd:Gd0.69Y0.3TaO4 and Nd:Gd0.68Y0.3NbO4 mixed crystals

  • Renpeng Yan
  • , Chuang Zhao
  • , Xudong Li
  • , Kang Li
  • , Xin Yu
  • , Wenming Yao
  • , Fang Peng
  • , Qingli Zhang
  • , Renqin Dou
  • , Jing Gao*
  • , Nigel Copner
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • University of South Wales
  • CAS - Suzhou Institute of Biomedical Engineering and Technology
  • CAS - Anhui Institute of Optics and Fine Mechanics
  • Tianjin Guoke Jiaye Medical Technology Development Co., LTD

Research output: Contribution to journalArticlepeer-review

Abstract

Laser performances around 1.3 μm are investigated in 879 nm laser diode (LD) end pumped Nd3+ doped mixed crystals with Nd:Gd0.69Y0.3TaO4 and Nd:Gd0.68Y0.3NbO4 crystals for the first time to our best knowledge. The maximum average power in LD end pumped Nd:Gd0.69Y0.3TaO4 1328 nm laser reaches 435 mW at 50 Hz with an optical-to-optical efficiency of 5.0% and a slope efficiency of 6.9%. In comparison, the highest average power of LD end pumped Nd:Gd0.68Y0.3NbO4 laser at 1337 nm is 190 mW at 50 Hz, corresponding to an optical-to-optical efficiency of 3.5% and a slope efficiency of 4.2%.

Original languageEnglish
Pages (from-to)15785-15792
Number of pages8
JournalOptics Express
Volume26
Issue number12
DOIs
StatePublished - 11 Jun 2018

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