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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 32 — Nov. 10, 2012
  • pp: 7858–7863

Absorption spectroscopy of powdered materials using time-resolved diffuse optical methods

Cosimo D’Andrea, Ekaterina A. Obraztsova, Andrea Farina, Paola Taroni, Guglielmo Lanzani, and Antonio Pifferi  »View Author Affiliations


Applied Optics, Vol. 51, Issue 32, pp. 7858-7863 (2012)
http://dx.doi.org/10.1364/AO.51.007858


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Abstract

In this paper a novel method, based on time-resolved diffuse optical spectroscopy, is proposed to measure the absorption of small amounts of nanostructured powder materials independent of scattering. Experimental validation, in the visible and near-infrared spectral range, has been carried out on India Ink particles. The effectiveness of the technique to measure scattering-free absorption is demonstrated on carbon nanotubes. The comparison between the absorption spectra acquired by the proposed method and conventional measurements performed with a commercial spectrophotometer is discussed.

© 2012 Optical Society of America

OCIS Codes
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(160.4236) Materials : Nanomaterials

ToC Category:
Spectroscopy

History
Original Manuscript: September 11, 2012
Revised Manuscript: October 16, 2012
Manuscript Accepted: October 17, 2012
Published: November 9, 2012

Virtual Issues
Vol. 7, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Cosimo D’Andrea, Ekaterina A. Obraztsova, Andrea Farina, Paola Taroni, Guglielmo Lanzani, and Antonio Pifferi, "Absorption spectroscopy of powdered materials using time-resolved diffuse optical methods," Appl. Opt. 51, 7858-7863 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-32-7858

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