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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 1 — Jan. 1, 2010
  • pp: 49–51

Molecular-alignment-assisted high-energy supercontinuum pulse generation in air

Hua Cai, Jian Wu, Xueshi Bai, Haifeng Pan, and Heping Zeng  »View Author Affiliations

Optics Letters, Vol. 35, Issue 1, pp. 49-51 (2010)

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We demonstrate controllable generation of a high-energy supercontinuum pulse of 1.8 mJ through femtosecond filamentation in prealigned diatomic molecules in air. For high-energy femtosecond laser pulses of linear polarization, the focusing condition is loosened by the cross-defocusing effect from the perpendicularly orientated molecules, which promotes the high-energy supercontinuum generation with suppressed multifilamentation and decreased multiphoton ionization loss due to the reduced ionization probability.

© 2009 Optical Society of America

OCIS Codes
(260.5950) Physical optics : Self-focusing
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Ultrafast Optics

Original Manuscript: September 28, 2009
Revised Manuscript: November 15, 2009
Manuscript Accepted: November 18, 2009
Published: December 24, 2009

Hua Cai, Jian Wu, Xueshi Bai, Haifeng Pan, and Heping Zeng, "Molecular-alignment-assisted high-energy supercontinuum pulse generation in air," Opt. Lett. 35, 49-51 (2010)

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