Frequency Offset Raman Spectroscopy (FORS) for In-Depth Analysis of Scattering Media
Frequency Offset Raman Spectroscopy (FORS) for In-Depth Analysis of Scattering Media
- Author(s): S.K.V. Sekar ; S. Mosca ; A. Farina ; F. Martelli ; P. Taroni ; G. Valentini ; R. Cubbedu ; A. Pifferi
- DOI: 10.1049/cp.2017.0205
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- Author(s): S.K.V. Sekar ; S. Mosca ; A. Farina ; F. Martelli ; P. Taroni ; G. Valentini ; R. Cubbedu ; A. Pifferi Source: 19th Italian National Conference on Photonic Technologies (Fotonica 2017), 2017 page ()
- Conference: 19th Italian National Conference on Photonic Technologies (Fotonica 2017)
- DOI: 10.1049/cp.2017.0205
- ISBN: 978-1-78561-757-7
- Location: Padua, Italy
- Conference date: 3-5 May 2017
- Format: PDF
A novel technique - Frequency Offset Raman Spectroscopy (FORS) - for probing in-depth diffusive media is presented. The method relies on spectral changes in the optical properties of the investigated diffusive medium to provide different depth sensitivities at different Raman excitation wavelengths. A broadband Raman instrumentation was developed for this purpose. The technique was demonstrated experimentally on a two-layered tissue mimicking phantom. Similarities and complementarities as compared to Spatially Offset Raman Spectroscopy (SORS) are discussed.
Inspec keywords: bio-optics; phantoms; biological tissues; Raman spectra
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