Modified coupled-mode model for thermally chirped polymer Bragg gratings
Date
2010-04-05T00:00:00Z
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Osa Optical Society of America
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Article
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0003-6935
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Ilai Sher, Bongtae Han, and Avram Bar-Cohen, Modified coupled-mode model for thermally chirped polymer Bragg gratings, Applied Optics, Volume 49, Issue 11, 2010, Pages 2079-2084.
Abstract
A modified coupled-mode (CM) model is proposed for the optical behavior of thermally chirped Bragg gratings. The model accounts for the axial gradient in the modulation wavenumber, which has been ignored in the classical CM model. The model is used to characterize the optical behavior of a polymethyl methacrylate- based polymer Bragg grating subjected to nonisothermal conditions. The validity of the proposed method is verified by comparing the results of the modified CM model with those obtained from the exact numerical solution.
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This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [article URL]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.