Fiber optic Fourier transform white-light inter-fereometry is presented to interrogate the absolute optical path difference of an Maeh-Zehnder interferometer. The phase change of the interferometer caused by scanning ...Fiber optic Fourier transform white-light inter-fereometry is presented to interrogate the absolute optical path difference of an Maeh-Zehnder interferometer. 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.展开更多
基金supported by the Program for New Century Excellent Talents (NCET) in the University of China and National 863 Program under Grant No. 2008AA04Z406.
文摘Fiber optic Fourier transform white-light inter-fereometry is presented to interrogate the absolute optical path difference of an Maeh-Zehnder interferometer. 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.
