Use of FFT to Increase Measurement Range of a Curvature Sensor Based on a Mach-Zehnder Interferometer

S. Marrujo-García, I. Hernández-Romano, M. Torres-Cisneros, D. May-Arrioja, V. Minkovich, D. Monzón-Hernández
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Abstract

The output signal of Mach-Zehnder curvature sensor was Fourier transformed to increase its curvature range to high value of 1.69 m-1, relative to the traditional fringe contrast measurement 1.09 m-1.
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利用FFT提高基于马赫-曾德干涉仪的曲率传感器的测量范围
对Mach-Zehnder曲率传感器的输出信号进行傅里叶变换,使其曲率范围从传统的条纹对比度测量值1.09 m-1提高到1.69 m-1。
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