Chih-Chun Cheng

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An analytic model of a bonding layer for a fiber Bragg grating (FBG) bonded on a substrate was developed to predict the strain transfer from the substrate to the FBG when the substrate is subjected to external forces. This model provides a guide on how to bond an FBG on a substrate as a strain sensor or as a chirp FBG spectrum-tuning device used in(More)
The chirp fiber bragg grating (CFBG) created using the substrate-straining technique requires an invariable center wavelength when subjected to a temperature change. To accomplish this task, a secondary substrate is attached to one side of the main substrate in a bimetallic beam configuration, used as a thermal compensator. However, when the temperature(More)
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