Controlled shaping of ultrafast electric field transients in the mid-infrared spectral range

F. Eickemeyer, R. A. Kaindl, M. Woerner, T. Elsaesser, A. M. Weiner

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

We experimentally demonstrate amplitude and phase shaping of femtosecond mid-infrared pulses in a range centered about 14 μm. Single pulses with a tailored optical phase and phase-locked double pulses are generated by phase-matched difference-frequency mixing in a GaSe crystal of near-infrared pulses shaped with a liquid-crystal modulator. The electric field transients are directly measured by free-space electro-optic sampling, yielding pulse durations of 200-300 fs. Our data are in good agreement with a model that describes phase-matched optical rectification.

Original languageEnglish (US)
Pages (from-to)1472-1474
Number of pages3
JournalOptics Letters
Volume25
Issue number19
DOIs
StatePublished - Oct 1 2000

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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