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

Author(s): Michael A. Fiddy

DOI: 10.2174/978160805448011201010118

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Slow Light for Sensing

Pp: 118-134 (17)

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Abstract

SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.

Abstract

Both patterned periodic or random structures can exhibit large slow down factors associated with large field enhancements. These properties can be exploited to good effect for a variety of sensing functions. We describe here some basic mechanisms responsible for these effects and discuss their use. Some experimental results are reported using porous form-birefringent super-lattice structures which can be scaled in size for use from microwave to optical frequencies.

Keywords:

Periodic structures, field enhancement, slow light.

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