Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/14632

TitleNarrow-band pass filter array for integrated opto-electronic spectroscopy detectors to assess esophageal tissue
Author(s)Ferreira, D. S.
Mirkovic, Jelena
Wolffenbuttel, R. F.
Correia, J. H.
Feld, Michael S.
Minas, Graça
KeywordsMedical optics instrumentation
Spectroscopy
Tissue diagnostics
Fabry-Perot
Thin films
Issue date25-May-2011
PublisherOptical Society of America
JournalBiomedical Optics Express
Abstract(s)A strategy for spectroscopy tissue diagnosis using a small number of wavelengths is reported. The feasibility to accurately quantify tissue information using only 16 wavelengths is demonstrated with several wavelength reduction simulations of the existing esophageal data set. These results are an important step for the development of a miniaturized, robust and low-cost spectroscopy system. This system is based on a sub-millimeter high-selective filter array that offers prospects for a simplified miniature spectrographic detector for a future diagnostic tool to improve the diagnosis of dysplasia. Several thin-film optical filters are optimized and fabricated and its spectral performance is shown to be sufficient for the selection of specific wavelength bands.
TypeArticle
URIhttp://hdl.handle.net/1822/14632
DOI10.1364/BOE.2.001703
ISSN2156-7085
Publisher versionhttp://www.opticsinfobase.org/boe/issue.cfm?volume=2&issue=6
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:DEI - Artigos em revistas internacionais

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