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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 8, Iss. 5 — May. 1, 1991
  • pp: 1072–1080

Theoretical and experimental studies of propagation of beams through a finite sample of a cubically nonlinear material

P. P. Banerjee, R. M. Misra, and M. Maghraoui  »View Author Affiliations


JOSA B, Vol. 8, Issue 5, pp. 1072-1080 (1991)
http://dx.doi.org/10.1364/JOSAB.8.001072


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Abstract

Propagation of an externally focused or defocused Gaussian beam in a cubically nonlinear material is studied analytically and experimentally. The theoretical analysis is applied to determine the sign and magnitude of n2 for a material by means of a single-beam experiment with a finite nonlinear sample within which propagational diffraction cannot be neglected. Experimental results for a solution of chlorophyll in ethanol are reported. Based on available theory, an average n2 can be defined for a nonlinearity of thermal origin, and this value is found to be in good agreement with experimental results. Finally, the theoretical analysis and the experimental results of a double-beam experiment performed to determine the sign and magnitude of n2 are also presented.

© 1991 Optical Society of America

History
Original Manuscript: April 19, 1990
Revised Manuscript: October 16, 1990
Manuscript Accepted: January 15, 1991
Published: May 1, 1991

Citation
P. P. Banerjee, R. M. Misra, and M. Maghraoui, "Theoretical and experimental studies of propagation of beams through a finite sample of a cubically nonlinear material," J. Opt. Soc. Am. B 8, 1072-1080 (1991)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-8-5-1072

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