Coherence current: contrast flow in coherence function

Wei Wang; Mitsuo Takeda

doi:10.1117/12.682333

14 August 2006 Coherence current: contrast flow in coherence function

Wei Wang, Mitsuo Takeda

Proceedings Volume 6285, The Nature of Light: Light in Nature; 628502 (2006) https://doi.org/10.1117/12.682333
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Introducing scalar and vector densities for a mutual coherence function, we present a new conservation law for optical coherence of scalar wave fields in the form of continuity equation. This coherence conservation law provides new insights into topological phenomena for the complex coherence function. Some properties related to the newly introduced coherence vector density, such as a circulating coherence current associated with a coherence vortex, are investigated both theoretically and experimentally for the first time.

Citation Download Citation

Wei Wang and Mitsuo Takeda "Coherence current: contrast flow in coherence function", Proc. SPIE 6285, The Nature of Light: Light in Nature, 628502 (14 August 2006); https://doi.org/10.1117/12.682333

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