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Diffraction grating-coupled surface plasmon resonance sensor based on spectroscopy of long-range and short-range surface plasmons
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SYSNO ASEP 0086501 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Diffraction grating-coupled surface plasmon resonance sensor based on spectroscopy of long-range and short-range surface plasmons Title Biosenzor s povrchovými plazmony založený na spektroskopii modů povrchových plazmonů s krátkým a dalekým dosahem excitovaných na difrakční mřížce Author(s) Vala, Milan (URE-Y) RID
Dostálek, Jakub (URE-Y)
Homola, Jiří (URE-Y) RIDSource Title Optical Sensing Technology and Applications. - Bellingham : SPIE - The International Society for Optical Engineering, 2007 / Baldini Francesco ; Homola Jiří ; Liberman Robert A. ; Miler Miroslav - ISSN 0277-786X - ISBN 978-0-8194-6713-3 Pages s. 658522.1-65822.9 Number of pages 9 s. Publication form CD ROM - CD ROM Action SPIE Europe's International Congress on Optics and Optoelectronics - ICOO 2007 Event date 16.04.2007-19.04.2007 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country US - United States Keywords surface plasmon resonance ; diffraction gratings ; optical sensors ; biosensors Subject RIV BO - Biophysics R&D Projects IAA400500507 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20670512 - URE-Y (2005-2011) Annotation We report a SPR biosensor based on long-range (LR) and short-range surface plasmon (SP) modes excited on a diffraction grating. Employing these SP modes in the grating-coupled SPR sensor offers extended probe depth and ability to distinguish sensor response caused by bulk and surface refractive index (RI) changes. Prototype device based on wavelength interrogation of SPs was developed and tested in model refractometric experiment. The sensor is shown to be able to detect RI changes 3.5 x 10-6 RIU. Workplace Institute of Radio Engineering and Electronics Contact Petr Vacek, vacek@ufe.cz, Tel.: 266 773 413, 266 773 438, 266 773 488 Year of Publishing 2008
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