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Background clean-up in Brillouin microspectroscopy of scattering medium
Author(s) -
Zhaokai Meng,
Andrew J. Traverso,
Vladislav V. Yakovlev
Publication year - 2014
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.22.005410
Subject(s) - brillouin spectroscopy , brillouin zone , brillouin scattering , optics , rayleigh scattering , light scattering , materials science , spectroscopy , scattering , stray light , optical fiber , physics , quantum mechanics
Brillouin spectroscopy is an emerging tool for microscopic optical imaging as it allows for non-contact, non-invasive, direct assessment of the elastic properties of materials. However, strong elastic scattering and stray light from various sources often contaminate the Brillouin spectrum. A molecular absorption cell was introduced into the virtually imaged phased array (VIPA) based Brillouin spectroscopy setup to absorb the Rayleigh component, which resulted in a substantial improvement of the Brillouin spectrum quality.

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