Ultralow-pump-threshold, femtosecond Cr3+:LiSrAlF6 laser pumped by a single narrow-stripe AlGaInP laser diode

GJ Valentine, J-M Hopkins, P Loza-Alvarez, GT Kennedy, Wilson Sibbett

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

We report what we believe to be the first demonstration of a Kerr-lens mode-locked Cr3+:LiSrAlF6 laser that is pumped by a single narrow-stripe AlGaInP laser diode with a diffraction-limited output beam. A novel law-loss three-mirror laser cavity design is described in which strong, localized Kerr lensing was exploited such that 75-fs-duration pulses were obtained for only 36 mW of incident pump power. This pump power was maintained for 18 h by just three AA batteries as the electrical power source. We have shown that mode locking can be sustained for pump powers as low as 22 mW. (C) 1997 Optical Society of America.

Original languageEnglish
Pages (from-to)1639
Number of pages1639
JournalOptics Letters
Volume22
Issue number21
Publication statusPublished - 1 Nov 1997

Keywords

  • TI-SAPPHIRE LASER

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