Phase correction in Fourier transform spectroscopy: subsequent displacement correction and error limit.

Phase correction in Fourier transform spectroscopy: subsequent displacement correction and error limit. Research Abstract Details 

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Phase correction in Fourier transform spectroscopy: subsequent displacement correction and error limit. Abstract Text:

K Rahmelow,W Hübner,

In Fourier transform spectroscopy interferograms are apodized prior to the transformation and the calculated spectrum is phase corrected. If the zero point for the Fourier transformation is displaced, a phase error occurs because the apodization remains fixed while the interferogram is shifted by the phase correction. A theoretical description of this effect is derived and an algorithm for subsequent removal is provided. It is also reported that fixing the zero point to solely the sampling positions leads to error in the band shape that by far exceeds the noise and therefore limits the spectroscopic accuracy.

Phase correction in Fourier transform spectroscopy: subsequent displacement correction and error limit. Publishing Authors By Initials

K Rahmelow,W Hübner,

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Phase correction in Fourier transform spectroscopy: subsequent displacement correction and error limit. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Applied optics

VOLUME: 36

Page Numbers: 6678-86

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ISSN: 0003-6935

DAY: 10

MONTH: Sep

YEAR: 1997

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LANGUAGE: eng

NlmUniqueID: 247660

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Country: United States

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MEDLINETA: Appl Opt

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