Reflection and transmission of Laguerre-Gaussian beams in a dielectric slab

Li, Haiying and Honary, Farideh and Wu, Zhensen and Bai, Lu (2017) Reflection and transmission of Laguerre-Gaussian beams in a dielectric slab. Journal of Quantitative Spectroscopy and Radiative Transfer, 195. pp. 35-43. ISSN 0022-4073

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Abstract

Abstract This paper considers the reflection and transmission characteristics of a Laguerre-Gaussian (LG) beam in a dielectric slab. The fields of the reflected and transmitted beams are described based on plane-wave angular spectrum representation. Using the generalized Fresnel amplitude reflectance and transmittance, the reflected and transmitted fields in each region are expressed. With the Taylor series approximation of reflectance and transmittance, the analytical expressions of the total reflected and transmitted fields in the input and output regions are derived. The effects of the beam-waist radius and topological charge on the reflected and transmitted field intensities are simulated and discussed in detail. The centroid shifts of the reflected beam are also presented. It is concluded that the distortion of the intensity distribution including the size of the intensity contour, is influenced by the beam-waist radius and the topological charge of the incident beam. The total intensity of the slab, in particular for the case of the transmitted field, is found to be distinguishable from the case of the single interface.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Quantitative Spectroscopy and Radiative Transfer
Additional Information:
This is the author’s version of a work that was accepted for publication in Journal of Quantitative Spectroscopy and Radiative Transfer. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Quantitative Spectroscopy and Radiative Transfer, 195, 2017 DOI: 10.1016/j.jqsrt.2016.12.001
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3108
Subjects:
ID Code:
83559
Deposited By:
Deposited On:
12 Dec 2016 11:28
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Sep 2020 03:04