Generalized Lorenz–Mie theories and description of electromagnetic arbitrary shaped beams: localized approximations and localized beam models, a review

G Gouesbet, JA Lock, G Gréhan - Journal of Quantitative Spectroscopy and …, 2011 - Elsevier
The description of electromagnetic arbitrary shaped beams (eg laser beams) under
expanded forms requires the evaluation of expansion coefficients known as beam shape
coefficients. Several methods have been designed to evaluate these coefficients but the
most efficient one relies on the use of localization operators, leading to localized
approximations and to localized beam models, whose history and features are reviewed in
this paper. Localized approximations and localized beam models have been particularly …
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