Broadband enhanced backscattering spectroscopy of strongly scattering media | Zendy

Otto L. Muskens | Zendy; Aart Lagendijk | Zendy

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Broadband enhanced backscattering spectroscopy of strongly scattering media

Author(s) -

Otto L. Muskens,

Aart Lagendijk

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.001222

Subject(s) - supercontinuum , optics , scattering , materials science , spectroscopy , coherent backscattering , light scattering , spectrometer , forward scatter , broadband , optical path , optical fiber , optoelectronics , photonic crystal fiber , physics , quantum mechanics

We report on a new experimental method for enhanced backscattering spectroscopy (EBS) of strongly scattering media over a bandwidth from 530-1000 nm. The instrument consists of a supercontinuum light source and an angle-dependent detection system using a fiber-coupled grating spectrometer. Using a combination of two setups, the backscattered intensity is obtained over a large angular range and using circularly polarized light. We present broadband EBS of a TiO(2) powder and of a strongly scattering porous GaP layer. In combination with theoretical model fits, the EBS system yields the optical transport mean free path over the available spectral window.

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