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Scholarly Works, Center for Photonics Technology

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https://hdl.handle.net/10919/24791
Research articles, presentations, and other scholarship

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Browsing Scholarly Works, Center for Photonics Technology by Author "Cooper, K. L."

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    In-Fiber Reflection Mode Interferometer Based on A Long-Period Grating For External Refractive-Index Measurement
    Kim, D. W.; Zhang, Y.; Cooper, K. L.; Wang, Anbo (Optical Society of America, 2005-04-01)
    We present two novel schemes for refractometry based on a long-period fiber grating- (LPG-) based Michelson interferometer. These schemes are designed to overcome the measurement dependence of previously demonstrated LPG-based refractometry on the immersion depth. The first utilizes an unshielded LPG and the second, a shielded one. Both schemes were tested over a certain refractive-index range, and the measurement of glucose concentration in water was experimentally demonstrated. In addition, the temperature sensitivity of the two schemes is discussed. (c) 2005 Optical Society of America.