期刊
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
卷 4, 期 2, 页码 S52-S57出版社
IOP PUBLISHING LTD
DOI: 10.1088/1464-4266/4/2/368
关键词
computer-generated holograms; orbital angular momentum of light; diffraction-free beams
We report the first experimental generation of high-order Mathieu beams and confirm their propagation invariance over a limited range. In our experiment we use a computer-generated phase hologram. The peculiar behaviour of the vortices in Mathieu beams gives rise to questions about their orbital-angular-momentum content, which we calculate by performing a decomposition in terms of Bessel beams.
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