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Observation of speckle pattern formation in transparent nonlinear random media |
Optics Letters, Vol. 36, Issue 8, pp. 1347-1349 (2011)
http://dx.doi.org/10.1364/OL.36.001347
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Abstract
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
History
Original Manuscript: January 10, 2011
Revised Manuscript: March 9, 2011
Manuscript Accepted: March 11, 2011
Published: April 6, 2011
Citation
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)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1347
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