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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 19 — Oct. 1, 2006
  • pp: 2897–2899

Strong-field molecular ionization: determination of ionization probabilities calibrated with field-free alignment

Vincent Loriot, Edouard Hertz, Arnaud Rouzée, Bernard Sinardet, Bruno Lavorel, and Olivier Faucher  »View Author Affiliations


Optics Letters, Vol. 31, Issue 19, pp. 2897-2899 (2006)
http://dx.doi.org/10.1364/OL.31.002897


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Abstract

We report an original optical method providing the probability of molecular ionization induced by femtosecond laser pulses. The approach consists of exploiting molecular alignment to extract reliable information about ionization. The cross defocusing technique implemented for this purpose reveals a sensitivity with respect to postpulse alignment, as well as to the free electron density induced by the ultrashort laser pulse. The analysis of the resulting signal thus gives access to absolute single-ionization probabilities calibrated through the degree of alignment, provided that free electrons are produced mainly by single ionization. The relevance of the method is assessed in N 2 .

© 2006 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(260.5210) Physical optics : Photoionization
(300.6530) Spectroscopy : Spectroscopy, ultrafast

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 18, 2006
Revised Manuscript: July 5, 2006
Manuscript Accepted: July 12, 2006
Published: September 11, 2006

Citation
Vincent Loriot, Edouard Hertz, Arnaud Rouzée, Bernard Sinardet, Bruno Lavorel, and Olivier Faucher, "Strong-field molecular ionization: determination of ionization probabilities calibrated with field-free alignment," Opt. Lett. 31, 2897-2899 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-19-2897


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