Scattering metal waveguide based speckle-enhanced prism spectrometry

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dc.authorid0000-0003-0176-8807
dc.contributor.authorÇetindağ, Şakir Kaan
dc.contributor.authorToy, Muhammed Fatih
dc.contributor.authorFerhanoğlu, Onur
dc.contributor.authorÇivitci, Fehmi
dc.date.accessioned2020-08-04T06:00:13Z
dc.date.available2020-08-04T06:00:13Z
dc.date.issued2020
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Biyomedikal Mühendisliği Bölümü
dc.description.abstractWe present an optical efficiency improved speckle spectrometer where a scattering metal wave-guide is utilized along with a conventional prism spectrometer. We conducted extensive tests on 25 different scatterers, involving a variety of nanoparticle concentrations, scattering layer thicknesses, and wave-guide vs. non-guiding type scatterers. We observed 35 pm spectral resolution at 1.3% optical efficiency, which we could only achieve with similar to 0.01% optical efficiency using a conventional non-guiding scatterer. Thus our new implementation provides up to two orders of magnitude improvement in optical efficiency at the same spectral resolution, as opposed to scatterers that are not sandwiched between metal plates. The improvement in optical efficiency allows for rapid (similar to 5 mu sec exposure) acquisition of the spectrum with a conventional CMOS camera. Thanks to its excellent spectral resolution and diminished optical losses, the proposed spectrometer could be utilized in high frame-rate, real time spectrum reconstruction applications, such as Optical Coherence Tomography.
dc.identifier.citationÇetindağ, Ş. K., Toy, M. F., Ferhanoğlu, O. ve Çivitci, F. (2020). Scattering metal waveguide based speckle-enhanced prism spectrometry. Journal of Lightwave Technology, 38(7), 2022-2027. https://dx.doi.org/10.1109/JLT.2019.2959140
dc.identifier.doi10.1109/JLT.2019.2959140
dc.identifier.endpage2027
dc.identifier.issn0733-8724
dc.identifier.issn1558-2213
dc.identifier.issue7
dc.identifier.scopusqualityQ1
dc.identifier.startpage2022
dc.identifier.urihttps://dx.doi.org/10.1109/JLT.2019.2959140
dc.identifier.urihttps://hdl.handle.net/20.500.12511/5650
dc.identifier.volume38
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherIEEE - Institute of Electrical and Electronics Engineers, Inc.
dc.relation.ispartofJournal of Lightwave Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/SOBAG/116F142
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectOptical Waveguides
dc.subjectOptoelectronic and Photonic Sensors
dc.subjectSpectroscopy
dc.titleScattering metal waveguide based speckle-enhanced prism spectrometry
dc.typeArticle

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