Ladder operators formalism for optical angular momentum transfer and space-variant Pancharatnam-Berry phase

被引：4

作者：

Choi, Hyunhee ^{[1
,2
]}

Woo, J. H. ^{[1
,2
]}

Wu, J. W. ^{[1
,2
]}

机构：

[1] Ewha Womans Univ, Dept Phys, Seoul 120750, South Korea

[2] Ewha Womans Univ, Div Nano Sci, Seoul 120750, South Korea

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2008年 / 25卷 / 04期

关键词：

D O I：

10.1364/JOSAB.25.000491

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ladder operators are introduced in SU(2) parameter space to analyze the space-variant Pancharatnam-Berry (PB) phase. The spin and orbital angular momentum transfers to a wave passing through the PB phase optical elements are understood in terms of the PB phase. Space-variant PB phase structures are identified in polarization grating and cholesteric liquid crystal, providing an explanation for the beam propagation direction alteration. A simultaneous occurrence of the wavefront shaping and the beam propagation direction alteration is demonstrated experimentally. (C) 2008 Optical Society of America.

引用

页码：491 / 494

页数：4

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