Rotational frequency shift of a light beam

被引：301

作者：

Courtial, J ^{[1
]}

Robertson, DA ^{[1
]}

Dholakia, K ^{[1
]}

Allen, L ^{[1
]}

Padgett, MJ ^{[1
]}

机构：

[1] Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.81.4828

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We explain the rotational frequency shift of a light beam in classical terms and measure it using a mm-wave source. The shift is equal to the total angular momentum per photon multiplied by the angular velocity between the source and observer. This is analogous to the translational Doppler shift, which is equal to the momentum per photon multiplied by the translational velocity. We show that the shifts due to the spin and orbital angular momentum components of the light beam act in an additive way. [S0031-9007(98)07769-2].

引用

页码：4828 / 4830

页数：3

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