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Diode-end-pumped Tm:Ho:GdVO4 microchip laser at room temperature

  • Bao Quan Yao*
  • , Fang Chen
  • , Qiang Wang
  • , Chun Ting Wu
  • , Gang Li
  • , Chao Hui Zhang
  • , Yue Zhu Wang
  • , You Lun Ju
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Room-temperature Tm:Ho:GdVO4 microchip laser operated around 2 μm is demonstrated for the first time to our knowledge. At a heat sink temperature of 283 K, maximum output power of 29.7 mW is obtained by using a 0.25-mm-long crystal at an absorbed pump power of 912 mW, corresponding to a slope efficiency of 5.0%. At the temperature to 283 K, a single-longitudinal- mode laser as much as 8mW at 2048.5 nm is achieved. The M 2 factor is measured to be 1.4.

Original languageEnglish
Article number024210
JournalChinese Physics Letters
Volume28
Issue number2
DOIs
StatePublished - Feb 2011

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