Polarization basis for vortex beams

被引:92
作者
Gori, F
机构
[1] Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy
[2] Ist Nazl Fis Mat, I-00146 Rome, Italy
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2001年 / 18卷 / 07期
关键词
D O I
10.1364/JOSAA.18.001612
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Attention is called to a polarization basis formed by four Jones vectors that is reducible to two basic structures. In these states the field is linearly polarized at any point, but the polarization direction changes with the angular coordinate. Very simple equations hold for the field lines of these basis vectors. The adoption of this basis is of interest for beams possessing a single vortex of any order, say, m, as well as for beams with two vortices of opposite charges, n and -m. As an example, the application to vectorial Bessel-Gauss beams is briefly discussed. (C) 2001 Optical Society of America.
引用
收藏
页码:1612 / 1617
页数:6
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