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Proceedings Paper

Numerical examination of acousto-optic Bragg interactions for profiled lightwaves using a transfer function formalism
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Paper Abstract

Classically, acousto-optic (AO) interactions comprise scattering of photons by energetic phonons into higher and lower orders. Standard weak interaction theory describes diffraction in the Bragg regime as the propagation of a uniform plane wave of light through a uniform plane wave of sound, resulting in the well-known first- and zeroth-order diffraction. Our preliminary investigation of the nature of wave diffraction and photon scattering from a Bragg cell under intensity feedback with profiled light beams indicates that the diffracted (upshifted photon) light continues to maintain the expected (uniform plane wave) behavior versus the optical phase shift in the cell within a small range of the Q-parameter, and at larger Qs, begins to deviate. Additionally, we observe the asymptotic axial shift of the beam center as predicted by the transfer function formalism.

Paper Details

Date Published: 1 October 2013
PDF: 12 pages
Proc. SPIE 8832, The Nature of Light: What are Photons? V, 883206 (1 October 2013); doi: 10.1117/12.2025059
Show Author Affiliations
Monish R. Chatterjee, Univ. of Dayton (United States)
Fares S. Almehmadi, Univ. of Dayton (United States)


Published in SPIE Proceedings Vol. 8832:
The Nature of Light: What are Photons? V
Chandrasekhar Roychoudhuri; Al F. Kracklauer; Hans De Raedt, Editor(s)

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