Characterization and modeling of the holmium upconversion fiber laser

D. S. Funk, S. B. Stevens, S. S. Wu, J. G. Eden

Research output: Contribution to journalConference articlepeer-review


The characteristics of the green (λ ∼ SSO nm) holmium upconversion fiber laser has been studied in detail in Ho:ZBLAN fibers ranging in length from ∼ 20 to 86 cm. When pumped in the red (∼ 643 nm), slope efficiencies up to 24% are observed for a 21 cm long fiber and a cavity output coupling of 30%. More than 38 mW of output power is observed for 280 mW of absorbed pump power. The influence of the depletion of the ground state (5Ig) population on the emission spectrum and overall efficiency of the oscillator are discussed.

Original languageEnglish (US)
Pages (from-to)40-44
Number of pages5
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Jun 1 1994
EventVisible and UV Lasers 1994 - Los Angeles, United States
Duration: Jan 23 1994Jan 29 1994

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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