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Broadband enhanced backscattering spectroscopy of strongly scattering media

By O.L. Muskens and A. Lagendijk

Abstract

We report on a new experimental method for enhanced<br/>backscattering spectroscopy (EBS) of strongly scattering media over a<br/>bandwidth from 530-1000 nm. The instrument consists of a supercontinuum<br/>light source and an angle-dependent detection system using a fiber-coupled<br/>grating spectrometer. Using a combination of two setups, the backscattered<br/>intensity is obtained over a large angular range and using circularly polarized<br/>light. We present broadband EBS of a TiO2 powder and of a strongly<br/>scattering porous GaP layer. In combination with theoretical model fits, the<br/>EBS system yields the optical transport mean free path over the available<br/>spectral window

Topics: QC
Year: 2008
OAI identifier: oai:eprints.soton.ac.uk:144325
Provided by: e-Prints Soton

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