Generation of partially coherent light in rough surface scattering and suppression of the speckle it produces

T. A. Leskova; A. A. Maradudin; E. R. Méndez; Anting Wang; Zu-Han Gu

doi:10.1117/12.735127

10 September 2007 Generation of partially coherent light in rough surface scattering and suppression of the speckle it produces

T. A. Leskova, A. A. Maradudin, E. R. Méndez, Anting Wang, Zu-Han Gu

Author Affiliations +

Proceedings Volume 6672, Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies III; 66720I (2007) https://doi.org/10.1117/12.735127
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

We present approaches to the design of two-dimensional randomly rough surfaces that produce scattered fields with specified coherence properties, and transform an incident beam with a specified intensity profile into a scattered beam with a different specified intensity profile. We also show how illuminating a single realization of a randomly rough surface, drawn from an ensemble of such random surfaces, by a partially coherent polychromatic (broadband) beam can be used to replace the average over the ensemble of realizations of the surface used to suppress the speckle produced when the incident field is monochromatic. Finally, we describe an experimental setup for producing a partially coherent beam by an optical feedback technique, and present experimental results demonstrating the reduction of speckle by the use of this beam.

Citation Download Citation

T. A. Leskova, A. A. Maradudin, E. R. Méndez, Anting Wang, and Zu-Han Gu "Generation of partially coherent light in rough surface scattering and suppression of the speckle it produces", Proc. SPIE 6672, Advanced Characterization Techniques for Optics, Semiconductors, and Nanotechnologies III, 66720I (10 September 2007); https://doi.org/10.1117/12.735127

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