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Sensors 2007, 7(11), 2741-2749; doi:10.3390/s7112741
Article

Ammonia Optical Sensing by Microring Resonators

1,* , 1 and 2
Received: 22 October 2007; Accepted: 14 November 2007 / Published: 15 November 2007
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Abstract: A very compact (device area around 40 μm2) optical ammonia sensor based on amicroring resonator is presented in this work. Silicon-on-insulator technology is used insensor design and a dye doped polymer is adopted as sensing material. The sensor exhibitsa very good linearity and a minimum detectable refractive index shift of sensing materialas low as 8x10-5, with a detection limit around 4 ‰.
Keywords: Integrated optics; Optical sensor; Ring resonator; Ammonia sensor Integrated optics; Optical sensor; Ring resonator; Ammonia sensor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Passaro, V.M.N.; Dell’Olio, F.; De Leonardis, F. Ammonia Optical Sensing by Microring Resonators. Sensors 2007, 7, 2741-2749.

AMA Style

Passaro VMN, Dell’Olio F, De Leonardis F. Ammonia Optical Sensing by Microring Resonators. Sensors. 2007; 7(11):2741-2749.

Chicago/Turabian Style

Passaro, Vittorio M.N.; Dell’Olio, Francesco; De Leonardis, Francesco. 2007. "Ammonia Optical Sensing by Microring Resonators." Sensors 7, no. 11: 2741-2749.


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