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Polarisation singularities of non-paraxial Gaussian vortex beams diffracted by an annular aperture

✍ Scribed by Liu, Yongxin; Pu, Jixiong; Lü, Baida

Book ID
127305692
Publisher
Taylor and Francis Group
Year
2011
Tongue
English
Weight
492 KB
Volume
58
Category
Article
ISSN
0950-0340

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Based on the generalized Huygens-Fresnel diffraction integral and the expansion of the hard aperture function into a finite sum of complex Gaussian functions, the approximate analytical expression of elegant Laguerre-Gaussian beams passing through a paraxial ABCD optical system with an annular apert