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Opt Express. 2009 May 25;17(11):8941-6.

Separation of high order harmonics with fluoride windows.

Author information

  • 1Dept. of Physics, University of California, Berkeley 366 LeConte Hall, Berkeley CA, 94720, USA. TKAllison@lbl.gov

Abstract

The ensemble of lower orders produced in high order harmonic generation can be efficiently temporally separated by propagation in a fluoride window while still preserving their femtosecond pulse duration. We present calculations for MgF2, CaF2, and LiF windows for the third, fifth, and seventh harmonics of 800 nm. We use this simple and inexpensive technique in a pump/probe experiment to resolve femtosecond dynamics in the ethylene molecule.

PMID:
19466143
[PubMed - indexed for MEDLINE]
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