27 October 2009 Modeling of reflecting sinusoidal uniform phase volume diffractive gratings
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Proceedings Volume 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration; 75160D (2009); doi: 10.1117/12.843541
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China
Abstract
A detailed model of the diffraction of plane and Gaussian beams on plane uniform phase Bragg gratings based on Kogelnik's theory of coupled waves is presented. The model describes reflecting gratings with arbitrary orientation in a plane-parallel plate taking into account spectral width and angular divergence of diffracted beams. Extra formulas for angular and spectral selectivity are derived. The model results are compared with transmitting grating, the results show that the diffraction efficiency of reflecting volume Bragg gratings (VBGs) is higher than that of transmitting VBGs for beams with Gaussian spectral profile or angular divergence.
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Yingyan Yi, Deming Liu, "Modeling of reflecting sinusoidal uniform phase volume diffractive gratings", Proc. SPIE 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration, 75160D (27 October 2009); doi: 10.1117/12.843541; https://doi.org/10.1117/12.843541
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KEYWORDS
Diffraction gratings

Diffraction

Fiber Bragg gratings

Spatial frequencies

Refractive index

Modulation

Beam propagation method

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