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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 10 — May. 15, 2010
  • pp: 1710–1712

Fine control of terahertz radiation from filamentation by molecular lensing in air

M. Durand, Y. Liu, A. Houard, and A. Mysyrowicz  »View Author Affiliations

Optics Letters, Vol. 35, Issue 10, pp. 1710-1712 (2010)

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We demonstrate a method to control remotely the terahertz (THz) source in air based on the bifilamentation of femtosecond laser pulses. By fine tuning the time delay between the two pulses, a significant modulation of the THz intensity from bifilamentation is observed. The phenomenon is attributed to the molecule quantum lensing effect around the air molecule revival time, which changes the separation between the two neighboring plasma producing filaments.

© 2010 Optical Society of America

OCIS Codes
(260.3090) Physical optics : Infrared, far
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Physical Optics

Original Manuscript: February 19, 2010
Revised Manuscript: April 9, 2010
Manuscript Accepted: April 13, 2010
Published: May 14, 2010

M. Durand, Y. Liu, A. Houard, and A. Mysyrowicz, "Fine control of terahertz radiation from filamentation by molecular lensing in air," Opt. Lett. 35, 1710-1712 (2010)

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