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An Implementation of Tunable Fiber Bragg Grating Using Fabry-Perot Filter

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3 Author(s)
Jae Kyung Pan ; Dept. of Electr. Eng., Chonbuk Nat. Univ., Jeonbuk ; Ji Do Kim ; Wan Kai Mao

We propose and describe our implementation of an automatic control system for the center wavelength of a fiber Bragg grating. The proposed system consists of a Fabry-Perot filter and cantilever structure controlled by a step motor interfacing computer. We considered the change of the center wavelength and the reflective spectrum shape for a given FBG according to the translation distance of the push stick and the cantilever thickness variation. The proposed system can control the center wavelength of a FBG with a resolution of 0.01 nm by applying compression or extension to the FBG. The proposed system has characteristics that keep the objective wavelength of the FBG with a variation of environmental conditions.

Published in:

Electron Devices, 2009. CDE 2009. Spanish Conference on

Date of Conference:

11-13 Feb. 2009