14-fs pulse generation in Kerr-lens mode-locked prismless Cr:LiSGaF and Cr:LiSAF lasers: Observation of pulse self-frequency shift

I. T. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, H. P. Jenssen, R. Szipöcs

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

Kerr-lens mode-locked Kr-laser-pumped Cr:LiSGaF and Cr:LiSAF lasers containing only two newly developed low-loss chirped mirrors instead of conventional dielectric resonator mirrors and generating pulses of widths as small as 14-fs with as much as 100 mW of average output power are reported. We report what is to our knowledge the first experimental observation of a pulse self-frequency shift in crystalline active media that are characteristic of such short pulses at megawatt intracavity peak powers. We also believe this phenomenon to be one of the significant limiting factors for pulse duration in femtosecond Cr:LiSAF-type lasers.

Original languageEnglish
Pages (from-to)1716-1718
Number of pages3
JournalOptics Letters
Volume22
Issue number22
DOIs
Publication statusPublished - Nov 15 1997

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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