Synthesis of fiber Bragg grating parameters from experimental reflectivity: a simplex approach and its application to the determination of temperature-dependent properties
Applied Optics, Vol. 44, Issue 4, pp. 493-497 (2005)
http://dx.doi.org/10.1364/AO.44.000493
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Abstract
A simple, accurate, and fast method to synthesize the physical parameters of a fiber Bragg grating numerically from its reflectivity is proposed and demonstrated. Our program uses the transfer matrix method and is based on a Nelder-Mead simplex optimization algorithm. It can be applied to both uniform and nonuniform (apodized and chirped) fiber Bragg gratings. The method is then used to synthesize a uniform Bragg grating from its reflectivity taken at different temperatures. It gives a good estimate of the thermal expansion coefficient and the thermo-optic coefficient of the fiber.
© 2005 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2400) Fiber optics and optical communications : Fiber properties
Citation
Frédéric Lhommé, Christophe Caucheteur, Karima Chah, Michel Blondel, and Patrice Mégret, "Synthesis of fiber Bragg grating parameters from experimental reflectivity: a simplex approach and its application to the determination of temperature-dependent properties," Appl. Opt. 44, 493-497 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-4-493
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