Novel accurate computer algorithm for modeling light propagation and diffraction in inhomogeneous, anisotropic medium – Applied to the acousto-optic interaction

There is a high demand for a computational model that calculates effectively the phase and amplitude distribution of the beams emerging from an acousto-optic cell. We present a model based on a new algorithm that is capable to solve the vectorial optical wave equation on consecutive planes in an opt...

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Bibliographic Details
Published in:Optics communications 2009-05, Vol.282 (10), p.1961-1968
Main Authors: Mihajlik, Gábor, Maák, Pál, Barócsi, Attila, Richter, Péter
Format: Article
Language:English
Subjects:
Acousto-optic interaction
Computational model
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Inhomogeneous medium
Optical anisotropy
Optics
Physics
Vectorial light propagation in anisotropic
Wave optics
Wave propagation, transmission and absorption
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Summary:There is a high demand for a computational model that calculates effectively the phase and amplitude distribution of the beams emerging from an acousto-optic cell. We present a model based on a new algorithm that is capable to solve the vectorial optical wave equation on consecutive planes in an optically anisotropic medium with an arbitrary refractive index distribution with limited refractive index amplitude. Strength of the presented method is that it does not require the paraxial approximation. We used the model successfully to calculate the amplitude and phase distribution of the diffracted and undiffracted beams generated in optically anisotropic and isotropic acousto-optic interaction.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2009.02.005