Photonic Bandgap Structures Novel Technological Platforms for Physical, Chemical and Biological Sensing

by

Marco Pisco, Andrea Cusano, Antonello Cutolo

DOI: 10.2174/97816080544801120101
eISBN: 978-1-60805-448-0, 2012
ISBN: 978-1-60805-507-4



Indexed in: EBSCO.

This E-Book covers the research and the development of a novel generation of photonic devices for sensing applications. The E-Book s...[view complete introduction]
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Physical, Chemical and Biological Sensors Based on Photonic Crystals

- Pp. 195-215 (21)

Sanja Zlatanovic and Annette Grot

Abstract

Photonic crystal sensors have recently drawn much attention due to their inherent compactness and high sensitivity. Different types of photonic crystal sensors rely on one main transduction mechanism: perturbations in environmental conditions alter index of refraction or periodicity of the structure which is transferred to a detectable change in optical power or spectrum. This transduction mechanism facilitates utilization of photonic crystal for sensor applications ranging from pressure and displacement measurements to detection of chemical composition change and binding events. In this chapter, we give a summary of different types of photonic crystal sensors such as waveguides, microcavities and self-assembled 3D structures and review their application to physical, chemical and biological sensing. We discuss advantages and limitations of the technology.

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