Abstract
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.
Publication types
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Diagnostic Imaging / instrumentation
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Diagnostic Imaging / methods
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Diagnostic Imaging / statistics & numerical data
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Elasticity Imaging Techniques / instrumentation
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Elasticity Imaging Techniques / methods*
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Elasticity Imaging Techniques / statistics & numerical data
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Humans
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Lasers, Solid-State
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Light
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Optical Devices
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Optical Phenomena
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Scattering, Radiation
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Spectrum Analysis / instrumentation
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Spectrum Analysis / methods*
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Spectrum Analysis / statistics & numerical data
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User-Computer Interface