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JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
卷 18, 期 1, 页码 150-156出版社
OPTICAL SOC AMER
DOI: 10.1364/JOSAA.18.000150
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A new class of partially coherent beams with a separable phase, which carry optical vortices, is introduced. It is shown that any member of the class can be represented as an incoherent superposition of fully coherent Laguerre-Gauss modes of arbitrary order, with the same azimuthal mode index. The free-space propagation properties of such partially coherent beams are studied analytically, and their M-2 quality factor is investigated numerically. (C) 2001 Optical Society of America.
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