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A diode-pumped continuous-wave Nd:GdTaO4 laser under direct pumping

  • Y. F. Ma*
  • , H. T. Dang
  • , Y. K. Qiao
  • *Corresponding author for this work
  • Xijing University

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, a continuous wave (CW) 1066 nm Nd:GdTaO4 laser pumped by 879 nm laser diode (LD) was presented. Instead of indirect pumping of 808 nm LD, the using of direct pumping of 879 nm LD reduced the thermal effect of Nd:GdTaO4 crystal obviously. The laser characteristics of output power and slope efficiency were optimized when the parameters of cavity length, transmission of output coupler and waist radius of pumping beam were considered. To the best of our knowledge, the recorded highest output power 6.46 W of and slope efficiency of 53.7% were obtained.

Original languageEnglish
Pages (from-to)93-95
Number of pages3
JournalOptoelectronics and Advanced Materials, Rapid Communications
Volume16
Issue number3-4
StatePublished - 1 Mar 2022
Externally publishedYes

Keywords

  • Continuous wave
  • Direct pumping
  • Nd:GdTaO
  • Output power
  • Slope efficiency

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