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

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Abstract

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.

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  • Atom and Molecular Physics and Optics
Original languageEnglish
Pages (from-to)4103-4112
JournalOptics Express
Volume12
Issue number17
Publication statusPublished - 2004
Publication categoryResearch
Peer-reviewedYes

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