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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 4 — Feb. 15, 2013
  • pp: 486–488

Generation of tunable sub-45 femtosecond pulses by noncollinear four-wave mixing

Masood Ghotbi, Peter Trabs, Marcus Beutler, and Frank Noack  »View Author Affiliations

Optics Letters, Vol. 38, Issue 4, pp. 486-488 (2013)

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Generation of sub-45 fs vacuum UV (VUV) pulses tunable across the spectral range of 146–151 nm at 1 kHz repetition rate is reported. The pulses are produced using noncollinear difference-frequency four-wave mixing between the third-harmonic of an amplified Ti:sapphire laser and the signal wavelength of an infrared optical parametric amplifier (ωVUV=2ωTHωIR) in krypton and argon. The generated VUV pulses have energies as high as 90 nJ. Pulse duration measurements are realized by cross correlation between the VUV pulses and the laser fundamental wavelength using pump-probe ionization in xenon.

© 2013 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(260.7210) Physical optics : Ultraviolet, vacuum
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: October 11, 2012
Revised Manuscript: December 12, 2012
Manuscript Accepted: December 21, 2012
Published: February 8, 2013

Masood Ghotbi, Peter Trabs, Marcus Beutler, and Frank Noack, "Generation of tunable sub-45 femtosecond pulses by noncollinear four-wave mixing," Opt. Lett. 38, 486-488 (2013)

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