Spatial Coherence and Optical Beam Shifts

被引：25
|
作者：
Loffler, W. [1 ]
Aiello, Andrea [2 ,3 ]
Woerdman, J. P. [1 ]
机构：
[1] Leiden Univ, Huygens Lab, NL-2300 RA Leiden, Netherlands
[2] Max Planck Inst Sci Light, D-91058 Erlangen, Germany
[3] Univ Erlangen Nurnberg, Inst Opt Informat & Photon, D-91058 Erlangen, Germany
来源：
PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 21期
关键词：
IMBERT-FEDOROV SHIFTS; GOOS-HANCHEN SHIFT; LIGHT-BEAM; REFLECTION;
D O I：
10.1103/PhysRevLett.109.213901
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A beam of light, reflected at a planar interface, does not follow perfectly the ray optics prediction. Diffractive corrections lead to beam shifts; the reflected beam is displaced (spatial Goos-Hanchen type shifts) and/or travels in a different direction (angular Imbert-Fedorov type shifts), as compared to geometric optics. How does the degree of spatial coherence of light influence these shifts? We investigate this issue first experimentally and find that the degree of spatial coherence influences the angular beam shifts, while the spatial beam shifts are unaffected.
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页数：5
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