SENSORS (MDPI) - Special Issue "Recent Advances in Photonic Crystal Sensors: Innovative Materials, Designs, and Analysis Methods"

Photonic crystals (PhCs) exhibit a strong confinement of light in a very small volume, providing local modes which are able to enhance the interaction of radiation with an analyte in an efficient optical sensing scheme. Over the years, the use of PhCs has therefore gone far beyond the realization of low-threshold lasers, low-loss resonators, optical switches, waveguides, and optical fibers, with innovative sensing designs for environmental monitoring, medical diagnosis, defense, and food quality control repeatedly envisaged (to name a few).

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