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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 6, Iss. 2 — Jan. 17, 2000
  • pp: 34–39

Propagation of ultrashort pulses in gaseous medium: breakdown of the quasistatic approximation

Ivan Christov  »View Author Affiliations

Optics Express, Vol. 6, Issue 2, pp. 34-39 (2000)

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We compare the results of the propagation of strong ultrashort laser pulse in gas medium where the atomic ionization is calculated in quasi-static approximation, and by using ab initio solution of the Schroedinger equation. Our models reveal significant difference between the predictions of the two models which may have an impact on the phase matched high-harmonic and attosecond pulse generation. A novel equation that avoids the concept of ionisation rate is introduced, which can be used to accurately model the generation and propagation of attosecond-duration pulses.

© Optical Society of America

OCIS Codes
(320.0320) Ultrafast optics : Ultrafast optics
(320.5550) Ultrafast optics : Pulses
(320.7120) Ultrafast optics : Ultrafast phenomena

ToC Category:
Research Papers

Original Manuscript: December 13, 1999
Published: January 17, 2000

Ivan Christov, "Propagation of ultrashort pulses in gaseous medium: breakdown of the quasistatic approximation," Opt. Express 6, 34-39 (2000)

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