Guided-wave optical biosensors are reviewed in this paper. Advantages related to optical technologies are presented and integrated architectures are investigated in detail. Main classes of bio receptors and the most attractive optical transduction mechanisms are discussed. The possibility to use Mach-Zehnder and Young interferometers, microdisk and microring resonators, surface plasmon resonance, hollow and antiresonant waveguides, and Bragg gratings to realize very sensitive and selective, ultra-compact and fast biosensors is discussed. Finally, CMOS-compatible technologies are proved to be the most attractive for fabrication of guided-wave photonic biosensors.
Guided-Wave Optical Biosensors / Passaro, Vittorio; Dell'Olio, Francesco; Casamassima, B.; DE LEONARDIS, Francesco. - In: SENSORS. - ISSN 1424-8220. - 7:4(2007), pp. 508-536. [10.3390/s7040508]
Guided-Wave Optical Biosensors
PASSARO, Vittorio;Dell'Olio, Francesco;DE LEONARDIS, Francesco
2007-01-01
Abstract
Guided-wave optical biosensors are reviewed in this paper. Advantages related to optical technologies are presented and integrated architectures are investigated in detail. Main classes of bio receptors and the most attractive optical transduction mechanisms are discussed. The possibility to use Mach-Zehnder and Young interferometers, microdisk and microring resonators, surface plasmon resonance, hollow and antiresonant waveguides, and Bragg gratings to realize very sensitive and selective, ultra-compact and fast biosensors is discussed. Finally, CMOS-compatible technologies are proved to be the most attractive for fabrication of guided-wave photonic biosensors.| File | Dimensione | Formato | |
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