Generation of 12 fs deep-ultraviolet pulses by four-wave mixing through filamentation in neon gas

Takao Fuji, Takuya Horio, Toshinori Suzuki

Research output: Contribution to journalArticle

138 Citations (Scopus)

Abstract

Generation of deep-ultraviolet femtosecond pulses by four-wave mixing through filamentation in neon gas was demonstrated. Fundamental (ω) and second-harmonic (2ω) pulses of 25 fs Ti:sapphire amplifier output were focused into neon gas, and 20μJ pulses with the center wavelength of 260 nm were produced by a four-wave mixing process, 2ω+2ω− ω→3ω through an ~15 cm filament. Additionally, pulses with an energy of 2μJ at 200 nm were generated, probably by a cascaded process, 3ω+2ω− ω→4ω. The 260 nm pulses were compressed by a grating-based compressor and characterized by a dispersion-free transient grating frequency-resolved optical gating. The estimated pulse width was 12 fs.

Original languageEnglish
Pages (from-to)2481-2483
Number of pages3
JournalOptics Letters
Volume32
Issue number16
DOIs
Publication statusPublished - Sep 1 2007
Externally publishedYes

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neon
four-wave mixing
pulses
gases
gratings
compressors
filaments
pulse duration
sapphire
amplifiers
harmonics
output
wavelengths
energy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Generation of 12 fs deep-ultraviolet pulses by four-wave mixing through filamentation in neon gas. / Fuji, Takao; Horio, Takuya; Suzuki, Toshinori.

In: Optics Letters, Vol. 32, No. 16, 01.09.2007, p. 2481-2483.

Research output: Contribution to journalArticle

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