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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 18 — Sep. 15, 2012
  • pp: 3846–3848

Direct retrieval of Kerr and plasma effects from alignment-induced spatiotemporal modulation

Yahui Feng, Wenxue Li, Jia Liu, Haifeng Pan, Jian Wu, and Heping Zeng  »View Author Affiliations

Optics Letters, Vol. 37, Issue 18, pp. 3846-3848 (2012)

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We developed a direct measurement method for comprehensive analyses of Kerr and plasma effects that cooperated or competed with molecular alignment-induced spatiotemporal modulation for intense aligning and weak probing pulses around zero time delay. The mixed influences were revealed by time-resolving the combined spatial focusing or defocusing dynamics under different molecular alignment directions and degrees. The nonlinear refractive index and plasma density were extracted straightforwardly, facilitating accurate explorations on multiphoton ionization and nonlinear optical Kerr effects of aligned molecular gases.

© 2012 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(020.2649) Atomic and molecular physics : Strong field laser physics

ToC Category:
Nonlinear Optics

Original Manuscript: June 12, 2012
Manuscript Accepted: July 11, 2012
Published: September 12, 2012

Yahui Feng, Wenxue Li, Jia Liu, Haifeng Pan, Jian Wu, and Heping Zeng, "Direct retrieval of Kerr and plasma effects from alignment-induced spatiotemporal modulation," Opt. Lett. 37, 3846-3848 (2012)

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