Recent Advances in Gas and Chemical Detection by Vernier Effect-Based Photonic Sensors
AbstractRecently, the Vernier effect has been proved to be very efficient for significantly improving the sensitivity and the limit of detection (LOD) of chemical, biochemical and gas photonic sensors. In this paper a review of compact and efficient photonic sensors based on the Vernier effect is presented. The most relevant results of several theoretical and experimental works are reported, and the theoretical model of the typical Vernier effect-based sensor is discussed as well. In particular, sensitivity up to 460 μm/RIU has been experimentally reported, while ultra-high sensitivity of 2,500 μm/RIU and ultra-low LOD of 8.79 × 10−8 RIU have been theoretically demonstrated, employing a Mach-Zehnder Interferometer (MZI) as sensing device instead of an add drop ring resonator.
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La Notte, M.; Troia, B.; Muciaccia, T.; Campanella, C.E.; De Leonardis, F.; Passaro, V.M.N. Recent Advances in Gas and Chemical Detection by Vernier Effect-Based Photonic Sensors. Sensors 2014, 14, 4831-4855.
La Notte M, Troia B, Muciaccia T, Campanella CE, De Leonardis F, Passaro VMN. Recent Advances in Gas and Chemical Detection by Vernier Effect-Based Photonic Sensors. Sensors. 2014; 14(3):4831-4855.Chicago/Turabian Style
La Notte, Mario; Troia, Benedetto; Muciaccia, Tommaso; Campanella, Carlo E.; De Leonardis, Francesco; Passaro, Vittorio M.N. 2014. "Recent Advances in Gas and Chemical Detection by Vernier Effect-Based Photonic Sensors." Sensors 14, no. 3: 4831-4855.