The optical path difference of a Fourier-transform spectrometer is extracted using a Hilbert transform and Kalman filtered prior to the position sampling. An adaptive equalization step reduces the effects of channel mismatch.
© 2005 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.0300) Spectroscopy : Spectroscopy
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
H. Farah and P. Tremblay, " Continuously Adjustable Position Sampling of Interferograms Using Parametric Solutions to Reduce Jitter Contributions," in Fourier Transform Spectroscopy/ Hyperspectral Imaging and Sounding of the Environment, Technical Digest (CD) (Optical Society of America, 2005), paper FTuD1.
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