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Time and wavelength resolved spectroscopy of turbid media using light continuum generated in a crystal fiber

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Author

  • Christoffer Abrahamsson
  • Tomas Svensson
  • Sune Svanberg
  • Stefan Andersson-Engels
  • J Johansson
  • S Folestad

Summary, in English

We report a novel system for time-resolved diffuse remission spectral measurements, based on short light continuum pulses generated in an index-guided crystal fiber, and a spectrometer-equipped streak camera. The system enables spectral recordings of absorption and reduced scattering coefficients of turbid media in the wavelength range 500 - 1200 nm with a spectral resolution of 5 nm and a temporal resolution of 30 ps. The optical properties are calculated by fitting the solution of the diffusion equation to the time-dispersion curve at each wavelength. Example measurements are presented from an apple, a finger and a pharmaceutical tablet. (C) 2004 Optical Society of America.

Department/s

Publishing year

2004

Language

English

Pages

4103-4112

Publication/Series

Optics Express

Volume

12

Issue

17

Document type

Journal article

Publisher

Optical Society of America

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1094-4087