Third and fifth harmonic generation by tightly focused femtosecond pulses at 2.2μm wavelength in air

Gombojav O. Ariunbold, Pavel G Polynkin, Jerome V Moloney

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We report experiments on the generation of third and fifth harmonics of millijoule-level, tightly focused, femtosecond laser pulses at 2.2μm wavelength in air. The measured ratio of yields of the third and fifth harmonics in our setup is found equal to 2 7middot; 10-4. This result contradicts the recent suggestion that the Kerr effect in air saturates and changes sign in ultra-intense optical fields.

Original languageEnglish (US)
Pages (from-to)1662-1667
Number of pages6
JournalOptics Express
Volume20
Issue number2
DOIs
StatePublished - Jan 16 2012

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harmonic generations
harmonics
air
Kerr effects
pulses
wavelengths
suggestion
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Third and fifth harmonic generation by tightly focused femtosecond pulses at 2.2μm wavelength in air. / Ariunbold, Gombojav O.; Polynkin, Pavel G; Moloney, Jerome V.

In: Optics Express, Vol. 20, No. 2, 16.01.2012, p. 1662-1667.

Research output: Contribution to journalArticle

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