Simultaneous generation of ultrashort pulses at 158 and 198 nm in a single filamentation cell by cascaded four-wave mixing in Ar

Peng Zuo, Takao Fuji, Takuya Horio, Shunsuke Adachi, Suzuki Toshinori

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Ultrashort 198- and 158-nm pulses are generated simultaneously by cascaded four-wave mixing of the second and third harmonics of a 80-fs Ti:Sapphire laser in filamentation propagation through a single Ar gas cell. The energies of the 198- and 158-nm pulses are 7.6 μJ and 600 nJ, respectively. The duration of 198-nm pulse is determined to be ca. 45 fs by transient-grating frequencyresolved optical grating, which indicates that the pulse is intrinsically transform limited and chirped by the rear window of the gas cell. The spectral bandwidths of 198- and 158 nm support the transform limited pulse durations of 40 and 28 fs, respectively.

Original languageEnglish
Pages (from-to)815-819
Number of pages5
JournalApplied Physics B: Lasers and Optics
Volume108
Issue number4
DOIs
Publication statusPublished - Sep 1 2012
Externally publishedYes

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four-wave mixing
pulses
cells
gratings
gases
pulse duration
sapphire
bandwidth
harmonics
propagation
lasers
energy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Simultaneous generation of ultrashort pulses at 158 and 198 nm in a single filamentation cell by cascaded four-wave mixing in Ar. / Zuo, Peng; Fuji, Takao; Horio, Takuya; Adachi, Shunsuke; Toshinori, Suzuki.

In: Applied Physics B: Lasers and Optics, Vol. 108, No. 4, 01.09.2012, p. 815-819.

Research output: Contribution to journalArticle

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