Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode

  • H. Zhang
  • , X. Meng
  • , P. Wang
  • , L. Zhu
  • , X. Liu
  • , R. Cheng
  • , J. Dawes
  • , P. Dekker
  • , S. Zhang
  • , L. Sun

Research output: Contribution to journalArticlepeer-review

74 Scopus citations

Abstract

Yb:Ca4YO(BO3)3 (Yb:YCOB) crystal with good quality and large size has been grown by the Czochralski method. The polarization absorption and fluorescence spectra have been measured. The laser action of the Yb:YCOB crystal has been demonstrated when it is pumped by a fiber-coupled laser diode (LD) at the wavelength of 976.4 nm. The pumping threshold is 55 mW, the light-light conversion efficiency is 58.7%, and a slope efficiency of up to 73% is thus calculated.

Original languageEnglish (US)
Pages (from-to)1147-1149
Number of pages3
JournalApplied Physics B: Lasers and Optics
Volume68
Issue number6
DOIs
StatePublished - Jun 1999

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)
  • General Physics and Astronomy

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