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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 21 — Nov. 1, 2010
  • pp: 3664–3666

Femtosecond spectroscopy with vacuum ultraviolet pulse pairs

T. K. Allison, T. W. Wright, A. M. Stooke, C. Khurmi, J. van Tilborg, Y. Liu, R. W. Falcone, and A. Belkacem  »View Author Affiliations

Optics Letters, Vol. 35, Issue 21, pp. 3664-3666 (2010)

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We combine different wavelengths from an intense high-order harmonics source with variable delay at the focus of a split-mirror interferometer to conduct pump–probe experiments on gas-phase molecules. We report measurements of the time resolution ( < 44 fs ) and spatial profiles ( 4 μm × 12 μm ) at the focus of the apparatus. We demonstrate the utility of this two-color, high-order-harmonic technique by time resolving molecular hydrogen elimination from C 2 H 4 excited into its absorption band at 161 nm .

© 2010 Optical Society of America

OCIS Codes
(300.6540) Spectroscopy : Spectroscopy, ultraviolet
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Ultrafast Optics

Original Manuscript: July 15, 2010
Revised Manuscript: September 24, 2010
Manuscript Accepted: October 4, 2010
Published: October 27, 2010

T. K. Allison, T. W. Wright, A. M. Stooke, C. Khurmi, J. van Tilborg, Y. Liu, R. W. Falcone, and A. Belkacem, "Femtosecond spectroscopy with vacuum ultraviolet pulse pairs," Opt. Lett. 35, 3664-3666 (2010)

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