Tuning, temporal, and spectral characteristics of the green (λ ∼ 549 nm), holmium-doped fluorozirconate glass fiber laser

David S. Funk, S. B. Stevens, S. S. Wu, J. Gary Eden

Research output: Contribution to journalArticle

Abstract

The output power, tuning and temporal behavior of the green (539-550 nm), Ho-doped fluorozirconate glass (ZBLAN) fiber laser pumped in the red (λ ∼ 643 nm) has been examined in detail. Fibers ranging in length from ∼20-86 cm have been studied, and more than 38 mW of output power has been obtained from a 21 cm long fiber for 30% output coupling and 280 m W of absorbed pump power. By inserting two prisms into the optical cavity, the oscillator has been tuned over ∼11 nm, and the emission spectrum of the free-running laser has been recorded as a function of pump power at both room temperature and 77 K. The self-pulsing (spiking) behavior of the laser and the influence of depletion of the Ho3+ ground state (5I8) population on the emission spectrum and efficiency of this system are discussed.

Original languageEnglish (US)
Pages (from-to)638-645
Number of pages8
JournalIEEE Journal of Quantum Electronics
Volume32
Issue number4
DOIs
StatePublished - Apr 1 1996

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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