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Bragg gratings in multimode optical fibers and their applications

XINZHU SANG1, CHONGXIU YU1, BINBIN YAN1,*

Affiliation

  1. Key Laboratory of Optical Communication and Lightwave Technologies, School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing,100876 China

Abstract

Spectra evolution of Bragg gratings written in the step-index multimode optical fiber is analyzed and investigated experimentally. It is shown that different kind gratings can be achieved with different irradiation pulses. Applications of multimode fiber Bragg gratings to optical sensing and optical communications are discussed. A chemical sensor based on an etched multimode fiber Bragg grating is demonstrated experimentally..

Keywords

Fiber device, Multimode fiber, Bragg grating, Optical sensor.

Submitted at: May 30, 2007
Accepted at: Aug. 18, 2007

Citation

XINZHU SANG, CHONGXIU YU, BINBIN YAN, Bragg gratings in multimode optical fibers and their applications, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 8, pp. 2356-2361 (2007)