期刊
OPTICS COMMUNICATIONS
卷 184, 期 1-4, 页码 67-71出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0030-4018(00)00960-3
关键词
poynting vector; angular momentum density; polarised light
类别
We use the local linear momentum density in Laguerre-Gaussian beams to investigate classically the trajectory of the Poynting vector for light of any polarisation. Some of the difficulties of interpretation of the local angular momentum density are discussed. (C) 2000 Published by Elsevier Science B.V.
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