Negative and positive Kerr nonlinearity of air calibrated with transient molecular alignment

6533b860fe1ef96bd12c4028

RESEARCH PRODUCT

Negative and positive Kerr nonlinearity of air calibrated with transient molecular alignment

O. Faucher V. Loriot E. Hertz B. Lavorel Pierre Béjot S. Henin J. Kasparian J. -P Wolf

subject

optical Kerr effect filamentation [PHYS.PHYS.PHYS-ATOM-PH]Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph][ PHYS.PHYS.PHYS-ATOM-PH ] Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph]nonlinear optics (320.2250) Femtosecond phenomena; (350.5400) Plasmas; (190.7110) Ultrafast nonlinear optics; (260.5950) Self-focusing [PHYS.PHYS.PHYS-ATOM-PH] Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph]femtosecond molecular alignment

description

Talk given by O. Faucher; International audience; Nonlinear electronic Kerr index of the major air constituents has been measured up to high order terms using transient molecular alignment as a reference. Sign reversal associated to negative nonlinearity is observed above a pulse intensity of 26 TW/cm^.2

year	journal	country	edition	language
2009-09-21

https://hal.archives-ouvertes.fr/hal-00502929

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