A note on superoscillations associated with Bessel beams

被引：44
|
作者：
Berry, M. V. [1 ]
机构：
[1] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England
来源：
JOURNAL OF OPTICS | 2013年 / 15卷 / 04期
关键词：
vortices; weak values; singularities;
D O I：
10.1088/2040-8978/15/4/044006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Waves involving Bessel functions can oscillate faster than their band-limited Fourier transforms suggest, with the superoscillations being fastest near phase singularities. Different waves representing a 'flyby' close to a phase singularity are analysed. These can superoscillate similarly, despite being differently normalized, or not normalizable at all.
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收藏
页数：5
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