Generation of highly coherent tunable mid-infrared femtosecond pulses by paramatric frequency-mixing at 82 MHz

G. M. Gale, M. Cavallari, T. J. Driscoll, F. Hache

Research output: Contribution to journalArticlepeer-review

Abstract

Near-transform-limited femtosecond infrared pulses are generated in the 2.8 to 3.6 μm spectral region by parametric frequencymixing in KTP of the synchronised outputs of an 82 MHz femtosecond Ti: sapphire laser and a tunable visible-range femtosencond optical parametric oscillator pumped by the second-harmonic of the Ti: sapphire laser. Infrared pulse-widths down to 90 fs are measured and the dependence of pulse duration on frequency and mixing-crystal thickness is accurately described by a detailed calculation and a simple analytical expression.

Original languageEnglish
Pages (from-to)159-162
Number of pages4
JournalOptics Communications
Volume119
Issue number1-2
DOIs
Publication statusPublished - 15 Aug 1995

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