Exact-image method for Gaussian-beam problems involving a planar interface | Zendy

Ismo V. Lindell | Zendy

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Exact-image method for Gaussian-beam problems involving a planar interface

Author(s) -

Ismo V. Lindell

Publication year - 1987

Publication title -

journal of the optical society of america a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.803

H-Index - 158

eISSN - 1520-8532

pISSN - 1084-7529

DOI - 10.1364/josaa.4.002185

Subject(s) - gaussian beam , planar , gaussian , optics , exact solutions in general relativity , physics , beam (structure) , reflection (computer programming) , image (mathematics) , mathematical analysis , mathematics , computer science , quantum mechanics , computer vision , computer graphics (images) , programming language

The exact-image method, recently introduced for the solution of electromagnetic field problems involving sources above a planar interface between two homogeneous media, is shown to be valid also for sources located in complex space, which makes its application possible for Gaussian-beam analysis. It is demonstrated that the Goos–Hanchen shift and the angular shift of a TE-polarized beam are correctly given as asymptotic results by the exact-reflection-image theory. Also, the apparent-image location giving the correct Gaussian beam transmitted through the interface is obtained as another asymptotic check. The theory described here makes it possible to calculate the exact coupling from the Gaussian beam to the reflected and refracted beams as well as to the surface wave.

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