Fiber Optic Fourier Transform White-Light Interferometry |
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| Authors: | Yi Jiang Cai-Jie Tang |
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| Affiliation: | School of Information Science and Technology, Beijing Institute of Technology, Beijing, 100081, China |
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| Abstract: | Fiber optic Fourier transform white-light inter-fereometry is presented to interrogate the absolute optical path difference of an Mach-Zehnder inter-ferometer. The phase change of the interferometer caused by scanning wavelength can be calculated by a Fourier transform-based phase demodulation technique. A linear output is achieved. |
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| Keywords: | Fiber optic sensor white-light interferometry Fourier transform |
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