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dc.contributor.authorDalla Mora, Alberto
dc.contributor.authorMartinenghi, Edoardo
dc.contributor.authorContini, Davide
dc.contributor.authorTosi, Alberto
dc.contributor.authorBoso, Gianluca
dc.contributor.authorDurduran, Turgut
dc.contributor.authorArridge, Simon
dc.contributor.authorMartelli, Fabrizio
dc.contributor.authorFarina, Andrea
dc.contributor.authorTorricelli, Alessandro
dc.contributor.authorPifferi, Antonio
dc.contributor.otherUniversitat Politècnica de Catalunya. Institut de Ciències Fotòniques
dc.date.accessioned2015-08-05T10:22:54Z
dc.date.available2015-08-05T10:22:54Z
dc.date.issued2015-06-01
dc.identifier.issn1094-4087
dc.identifier.urihttp://hdl.handle.net/2117/76500
dc.description.abstractWe present a proof of concept prototype of a time-domain diffuse optics probe exploiting a fast Silicon PhotoMultiplier (SiPM), featuring a timing resolution better than 80 ps, a fast tail with just 90 ps decay time-constant and a wide active area of 1 mm2 . The detector is hosted into the probe and used in direct contact with the sample under investigation, thus providing high harvesting efficiency by exploiting the whole SiPM numerical aperture and also reducing complexity by avoiding the use of cumbersome fiber bundles. Our tests also demonstrate high accuracy and linearity in retrieving the optical properties and suitable contrast and depth sensitivity for detecting localized inhomogeneities. In addition to a strong improvement in both instrumentation cost and size with respect to legacy solutions, the setup performances are comparable to those of state-of-the-art time-domain instrumentation, thus opening a new way to compact, low-cost and high-performance time-resolved devices for diffuse optical imaging and spectroscopy.
dc.language.isoeng
dc.publisherOSA
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.lcshOptics
dc.subject.otherdiffuse optics
dc.titleFast silicon photomultiplier improves signal harvesting and reduces complexity in time-domain diffuse optics
dc.typeArticle
dc.subject.lemacÒptica
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttps://www.osapublishing.org/oe/abstract.cfm?uri=oe-23-11-13937
dc.rights.accessOpen Access
dc.description.versionPostprint (published version)
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/FP7/201076/EU/Non-invasive imaging of brain function and disease by pulsed near infrared light/NEUROPT
local.citation.publicationNameOptics Express
local.citation.volume23
local.citation.number11
local.citation.startingPage13937
local.citation.endingPage13946
dc.identifier.pmid26072763
local.personalitzacitaciotrue


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