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CHIRPED MOIRE FIBER GRATINGS REFLECTANCE AND TIME DELAY CHARACTERISTICS

Liu Yong,Ye Zhiqing Institute of Physics and Communication & Electronics,Jiangxi Normal University,Nanchang 330027,China  
Based on the coupled mode theory,the chirped Moire grating formed by tow linear chirped fiber gratings was analyzed in detail via the matrix approach.A deeper insight into the relationship among its reflectance spectrum,time delay and the grating parameters,such as the length of the chirped Moire grating,the chirp parameter and the peak refractive index modulation,was obtained.
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