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      Now showing items 341-349 of 349

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      Wireless deep-subwavelength metamaterial enabling sub-mm resolution magnetic resonance imaging 

      Gokyar, S.; Alipour, A.; Unal, E.; Atalar, Ergin; Demir, Hilmi Volkan (Elsevier B.V., 2018)
      A wireless deep-subwavelength metamaterial architecture is proposed, modeled and demonstrated for a high-resolution magnetic resonance imaging (HR-MRI) application that is miniaturized to be resonant at approximately λ0/1500 ...
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      Plasmonic backcontact grating for P3HT:PCBM organic solar cells enabling strong optical absorption increased in all polarizations 

      Sefunc, M. A.; Okyay, Ali Kemal; Demir, Hilmi Volkan (Optical Society of America, 2011)
      In P3HT:PCBM based organic solar cells we propose and demonstrate numerically plasmonic backcontact grating architectures for strong optical absorption enhanced in both transverse-magnetic and transverse-electric polarizations. ...
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      Volumetric plasmonic resonator architecture for thin-film solar cells 

      Sefunc, M.A.; Okyay, Ali Kemal; Demir, Hilmi Volkan (AIP Publishing, 2011-03-04)
      We propose and demonstrate a design concept of volumetric plasmonic resonators that relies on the idea of incorporating coupled layers of plasmonic structures embedded into a solar cell in enhanced optical absorption for ...
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      An inductively coupled ultra-thin, flexible, and passive RF resonator for MRI marking and guiding purposes: Clinical feasibility 

      Alipour, A.; Gokyar, S.; Algin, O.; Atalar, Ergin; Demir, Hilmi Volkan (John Wiley & Sons, 2018)
      Purpose: The purpose of this study is to develop a wireless, flexible, ultra-thin, and passive radiofrequency-based MRI resonant fiducial marker, and to validate its feasibility in a phantom model and several body regions. ...
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      Wavelength tuning of the spirally drawn whispering gallery mode microfiber lasers and the perspectives for sensing applications 

      Yang, Shancheng; Eugene, Tay Yong Kang; Wang, Yue; Zhao, Xin; Demir, Hilmi Volkan; Sun, Handong (OSA - The Optical Society, 2017)
      Facile and cost-efficient microcavities, as well as the tuning of the optical modes, especially for the application of top-grade optical devices, have been emerging as attractive research fields. In this work, controllable ...
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      Wireless metal detection and surface coverage sensing for all-surface induction heating 

      Kılıç, Veli Tyfun; Ünal, Emre; Demir, Hilmi Volkan (MDPI AG, 2016)
      All-surface induction heating systems, typically comprising small-area coils, face a major challenge in detecting the presence of a metallic vessel and identifying its partial surface coverage over the coils to determine ...
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      Understanding and modeling förster-type resonance energy transfer (FRET) : FRET from single donor to single acceptor and assemblies of acceptors, vol. 2 

      Hernández Martínez, P. L.; Govorov, A.; Demir, Hilmi Volkan (Springer Verlag, 2017)
      [No abstract available]
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      Applying förster-type nonradiative energy transfer formalism to nanostructures with various directionalities : dipole electric potential of exciton and dielectric environment 

      Hernández Martínez, P. L.; Govorov, A.; Demir, Hilmi Volkan (Springer Verlag, 2017)
      [No abstract available]
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      Excitonically driven quantum dot light-emitting diodes: exLEDs 

      Güzeltürk, Burak; Hernandez-Martinez, Pedro Ludwig; Sharma, Vijay Kumar; Coşkun, Yasemin; Ibrahimova, Vusala; Sun, X.W.; Tuncel, Donus; Demir, Hilmi Volkan (Optical Society of America, 2013)
      A hybrid platform of colloidal quantum dots integrated into conjugated polymers is eported for excitonically driven light-emitting diodes having pure quantum dot emission in the electroluminescence spectrum with substantially ...
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      Author
      Demir, Hilmi Volkan (349)
      Sun, X. W. (64)Nizamoglu, S. (38)Mutlugun, E. (31)Tan S.T. (31)Erdem, T. (29)Guzelturk, B. (25)Gao, Y. (24)Nizamoğlu, Sedat (21)Unal, E. (18)... View MoreKeywordsNanocrystals (49)Light emitting diodes (42)Semiconductor quantum dots (27)Energy transfer (23)Nanoparticles (22)Excitons (19)Quantum dots (19)Photoluminescence (18)Efficiency (17)Color (14)... View MoreDate Issued2010 - 2019 (272)2004 - 2009 (77)Has File(s)Yes (349)

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