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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 10 — May. 15, 2007
  • pp: 1329–1331

Use of apodization in quantitative spectroscopy

Simone Ceccherini, Claudio Belotti, Bruno Carli, and Piera Raspollini  »View Author Affiliations

Optics Letters, Vol. 32, Issue 10, pp. 1329-1331 (2007)

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Apodization, which is a tool frequently used for cosmetic representation and efficient modeling of a spectrum, is now also adopted in techniques for the quantitative retrieval of parameters from observed spectra. Whether apodization can help in quantitative spectroscopy is the subject of debate in the literature. We find that, when the considered spectral range is wide enough to accurately model the instrument line shape, the same results can be obtained with and without apodization of the spectrum. However, when a truncation error is introduced by the limited extension of the modeled spectral interval, apodization can efficiently reduce this error. Therefore it is possible to save computing time by using apodization.

© 2007 Optical Society of America

OCIS Codes
(100.3190) Image processing : Inverse problems
(220.1230) Optical design and fabrication : Apodization
(300.6300) Spectroscopy : Spectroscopy, Fourier transforms

ToC Category:

Original Manuscript: January 9, 2007
Revised Manuscript: February 22, 2007
Manuscript Accepted: February 24, 2007
Published: April 17, 2007

Simone Ceccherini, Claudio Belotti, Bruno Carli, and Piera Raspollini, "Use of apodization in quantitative spectroscopy," Opt. Lett. 32, 1329-1331 (2007)

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