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13 September 2005 Synthesis and spatial evolution of longitudinal coherence vortex
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Abstract
By controlling the irradiance of an extended quasi-monochromatic, spatially incoherent source with a spatial light modulator, we generated a special optical field that exhibits a high degree of coherence with phase singularities for a specific pair of points at specified locations along the axis of beam propagation. Some local properties associated with coherence vortices, such as the Berry anisotropy ellipse describing the anisotropic degree of coherence close to a vortex core and the Dennis angular momentum rule for its associated phase, are also investigated experimentally.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wei Wang, Zhihui Duan, Steen G. Hanson, Yoko Miyamoto, and Mitsuo Takeda "Synthesis and spatial evolution of longitudinal coherence vortex", Proc. SPIE 5924, Complex Mediums VI: Light and Complexity, 592405 (13 September 2005); https://doi.org/10.1117/12.618589
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