Geometric phase associated with mode transformations of optical beams bearing orbital angular momentum

被引：129

作者：

Galvez, EJ ^{[1
]}

Crawford, PR ^{[1
]}

Sztul, HI ^{[1
]}

Pysher, MJ ^{[1
]}

Haglin, PJ ^{[1
]}

Williams, RE ^{[1
]}

机构：

[1] Colgate Univ, Dept Phys & Astron, Hamilton, NY 13346 USA

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.90.203901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present direct measurements of a new geometric phase acquired by optical beams carrying orbital angular momentum. This phase arises when the transverse mode of a beam is transformed following a closed path in the space of modes. The measurements were done via the interference of two copropagating optical beams that pass through the same interferometer parts but acquire different geometric phases. The method is insensitive to dynamical phases. The magnitude and sign of the measured phases are in excellent agreement with theoretical predictions.

引用

页数：4

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