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Optics Letters

Optics Letters


  • Vol. 36, Iss. 8 — Apr. 15, 2011
  • pp: 1347–1349

Observation of speckle pattern formation in transparent nonlinear random media

Francisco J. Rodríguez, Can Yao, Jorge L. Domínguez-Juárez, Jorge Bravo-Abad, and Jordi Martorell  »View Author Affiliations

Optics Letters, Vol. 36, Issue 8, pp. 1347-1349 (2011)

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We report on the experimental observation of speckle formation from a transparent crystal formed by a random distribution of nonlinear domains. The angular distribution of second-harmonic light generated by a transparent strontium barium niobate crystal is measured for different diameters of the fundamental beam and crystal thicknesses. Distinct manifestations of speckle pattern formation are found in these experiments. By using a theoretical Green’s function formalism, we explain the reported observations as a result of the linear interference among the second-harmonic waves generated in all directions by each of the nonlinear domains forming the nonlinear crystal.

© 2011 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(160.2260) Materials : Ferroelectrics
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

Original Manuscript: January 10, 2011
Revised Manuscript: March 9, 2011
Manuscript Accepted: March 11, 2011
Published: April 6, 2011

Francisco J. Rodríguez, Can Yao, Jorge L. Domínguez-Juárez, Jorge Bravo-Abad, and Jordi Martorell, "Observation of speckle pattern formation in transparent nonlinear random media," Opt. Lett. 36, 1347-1349 (2011)

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