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Goos-Hanchen Lateral Displacements and Angular Deviations: When These Optical Effects Offset Each Other

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Author(s):
De Leo, Stefano ; Maggio, Luca ; d'Ambrosio, Moreno
Total Authors: 3
Document type: Journal article
Source: PHOTONICS; v. 9, n. 9, p. 14-pg., 2022-09-01.
Abstract

For optical beams transmitted by a right-angle prism, the Goos-Hanchen shift can never be seen as a pure effect. Indeed, the lateral displacement, caused by the total internal reflection, will always be accompanied by angular deviations generated by the transmission through the incoming and outgoing interfaces. This combined effect can be analyzed by using the Taylor expansion of the Fresnel coefficients. The analytic expression found for the transmitted beam allows us to determine the beam parameters, the incidence angles, and the axial distance for which lateral displacements are compensated by angular deviations. Proposals to optimize experimental implementations are also briefly discussed. (AU)

FAPESP's process: 21/08848-5 - Theoretical/experimental study of oscillation phenomena and lateral displacements, generated by the Goos-Haenchen phase, and the angular deviations, caused by symmetry breaking, in the propagation of laser beams by using the weak measurement technique
Grantee:Stefano de Leo
Support Opportunities: Scholarships abroad - Research