• DocumentCode
    807545
  • Title

    Thulium sensitised holmium-doped CW fluoride fibre laser of high efficiency

  • Author

    Davey, S.T. ; Swain, N.A. ; King, T.A.

  • Volume
    28
  • Issue
    24
  • fYear
    1992
  • Firstpage
    2231
  • Lastpage
    2232
  • Abstract
    CW operation of extremely high efficiency has been observed from the 2.024 mu m transition of holmium in a Tm:Ho codoped singlemode fluoride fibre laser. By pumping into thulium absorption between 820 and 830 nm, output powers of 250 mW and maximum slope efficiencies of 60% were observed. These results suggest that pump quantum, and photon conversion efficiencies of 150 and 75% respectively, are readily attainable.
  • Keywords
    fibre lasers; holmium; optical pumping; thulium; 2.024 micron; 250 mW; 60 percent; CW fluoride fibre laser; Tm, Ho:fluoride; high efficiency; maximum slope efficiencies; output powers; photon conversion efficiencies; pump quantum efficiency; pumping; single mode laser;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19921433
  • Filename
    173062