000089667 001__ 89667
000089667 005__ 20210902121705.0
000089667 0247_ $$2doi$$a10.1364/AO.384614
000089667 0248_ $$2sideral$$a117771
000089667 037__ $$aART-2020-117771
000089667 041__ $$aeng
000089667 100__ $$0(orcid)0000-0002-5621-1937$$aSanchez-Cano, A.$$uUniversidad de Zaragoza
000089667 245__ $$aMeasurement method of optical properties of ex vivo biological tissues of rats in the near-infrared range
000089667 260__ $$c2020
000089667 5060_ $$aAccess copy available to the general public$$fUnrestricted
000089667 5203_ $$aAn optical fiber-based supercontinuum setup and a custom-made spectrophotometer that can measure spectra from 1100 to 2300 nm, are used to describe attenuation properties from different ex vivo rat tissues. Our method is able to differentiate between scattering and absorption coefficients in biological tissues. Theoretical assumptions combined with experimental measurements demonstrate that, in this infrared range, tissue attenuation and absorption can be accurately measured, and scattering can be described as the difference between both magnitudes. Attenuation, absorption, and scattering spectral coefficients of heart, brain, spleen, retina, and kidney are given by applying these theoretical and experimental methods. Light through these tissues is affected by high scattering, resulting in multiple absorption events, and longer wavelengths should be used to obtain lower attenuation values. It can be observed that the absorption coefficient has a similar behavior in the samples under study, with two main zones of absorption due to the water absorption bands at 1450 and 1950 nm, and with different absolute absorption values depending on the constituents of each tissue. The scattering coefficient can be determined, showing slight differences between retina and brain samples, and among heart, spleen and kidney tissues.
000089667 536__ $$9info:eu-repo/grantAgreement/ES/DGA/B08-17R$$9info:eu-repo/grantAgreement/ES/DGA/T20-17R$$9info:eu-repo/grantAgreement/ES/IACS/C060-2014$$9info:eu-repo/grantAgreement/ES/ISCIII/RD16-0008-0016$$9info:eu-repo/grantAgreement/ES/MINECO/FIS2013-44174-P
000089667 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000089667 590__ $$a1.98$$b2020
000089667 591__ $$aOPTICS$$b62 / 99 = 0.626$$c2020$$dQ3$$eT2
000089667 592__ $$a0.668$$b2020
000089667 593__ $$aAtomic and Molecular Physics, and Optics$$c2020$$dQ1
000089667 593__ $$aEngineering (miscellaneous)$$c2020$$dQ1
000089667 593__ $$aElectrical and Electronic Engineering$$c2020$$dQ1
000089667 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000089667 700__ $$aSaldaña-Díaz, J.E.
000089667 700__ $$aPerdices, L.
000089667 700__ $$0(orcid)0000-0003-0349-9997$$aPinilla, I.$$uUniversidad de Zaragoza
000089667 700__ $$0(orcid)0000-0002-6048-310X$$aSalgado-Remacha, F.J.$$uUniversidad de Zaragoza
000089667 700__ $$0(orcid)0000-0002-2523-8598$$aJarabo, S.$$uUniversidad de Zaragoza
000089667 7102_ $$12002$$2385$$aUniversidad de Zaragoza$$bDpto. Física Aplicada$$cÁrea Física Aplicada
000089667 7102_ $$11013$$2646$$aUniversidad de Zaragoza$$bDpto. Cirugía$$cÁrea Oftalmología
000089667 7102_ $$12002$$2647$$aUniversidad de Zaragoza$$bDpto. Física Aplicada$$cÁrea Óptica
000089667 773__ $$g59, 13 (2020), D111-D117$$pAppl. opt. (2004)$$tApplied Optics$$x1559-128X
000089667 8564_ $$s729056$$uhttps://zaguan.unizar.es/record/89667/files/texto_completo.pdf$$yVersión publicada
000089667 8564_ $$s605165$$uhttps://zaguan.unizar.es/record/89667/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000089667 909CO $$ooai:zaguan.unizar.es:89667$$particulos$$pdriver
000089667 951__ $$a2021-09-02-09:16:24
000089667 980__ $$aARTICLE