Apodizing functions for Fourier transform spectroscopy
JOSA A, Vol. 24, Issue 11, pp. 3644-3648 (2007)
http://dx.doi.org/10.1364/JOSAA.24.003644
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Abstract
Apodizing functions are used in Fourier transform spectroscopy (FTS) to reduce the magnitude of the sidelobes in the instrumental line shape (ILS), which are a direct result of the finite maximum optical path difference in the measured interferogram. Three apodizing functions, which are considered optimal in the sense of producing the smallest loss in spectral resolution for a given reduction in the magnitude of the largest sidelobe, find frequent use in FTS [ J. Opt. Soc. Am. 66, 259 (1976) ]. We extend this series to include optimal apodizing functions corresponding to increases in the width of the ILS ranging from factors of 1.1 to 2.0 compared with its unapodized value, and we compare the results with other commonly used apodizing functions.
© 2007 Optical Society of America
OCIS Codes
(300.3700) Spectroscopy : Linewidth
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms
ToC Category:
Spectroscopy
History
Original Manuscript: July 6, 2007
Revised Manuscript: August 17, 2007
Manuscript Accepted: August 22, 2007
Published: October 30, 2007
Citation
David A. Naylor and Margaret K. Tahic, "Apodizing functions for Fourier transform spectroscopy," J. Opt. Soc. Am. A 24, 3644-3648 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-11-3644
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