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21 February 2020 Fabry-Perot etalon with three fiber Bragg gratings as a digital sensor
Ubaid Ullah, M. Imran Cheema
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Proceedings Volume 11258, Frontiers in Biological Detection: From Nanosensors to Systems XII; 112580F (2020) https://doi.org/10.1117/12.2544741
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
We propose to develop a Vernier effect digital sensor from three fiber Bragg gratings. A sensing head in the form of a single mode tapered fiber is placed in one of the cavity. We show, via simulations, that our digital sensor has the detection limit of 3 × 10-6 RIU which is almost three times of what was previously proposed with cascaded ring resonators.
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Ubaid Ullah and M. Imran Cheema "Fabry-Perot etalon with three fiber Bragg gratings as a digital sensor", Proc. SPIE 11258, Frontiers in Biological Detection: From Nanosensors to Systems XII, 112580F (21 February 2020); https://doi.org/10.1117/12.2544741
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KEYWORDS
Sensors
Fiber Bragg gratings
Fabry–Perot interferometers
Resonators
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