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Computer Optics, 2019, Volume 43, Issue 4, Pages 535–543 (Mi co674)  

OPTO-IT

Addressed fiber Bragg structures in quasi-distributed microwave-photonic sensor systems

O. G. Morozov, A. Zh. Sakhabutdinov

Kazan National Research Technical University named after A.N. Tupolev KAI, 420111, K. Marx str., 10, Russia, Kazan

Abstract: The article describes the theory and technique of addressed fiber Bragg structures and a new class of microwave-photonic sensory systems based thereon, the distinctive feature of which is that the fiber Bragg structure forms two ultra-narrowband frequency components separated by a unique address frequency spacing. The offset of the central frequencies of the Bragg structures is determined via processing a beat signal of the address frequencies on the photodetector, with its parameters making it possible to evaluate the physical fields applied. We formulate and solve a problem of unambiguously determining the central (Bragg) frequency shift of the addressed fiber Bragg structures with unique address frequencies and the same Bragg frequency. These are then combined into a single multi-sensor system with multiplexed response reception on a single photodetector.

Keywords: microwave-photonic sensor systems, fiber Bragg gratings, addressed fiber Bragg structures.

Funding Agency Grant Number
Ministry of Science and Higher Education of the Russian Federation 8.6872.2017/8.9
The work was partly funded by the Ministry of Education and Science of the Russian Federation under the government project No. 8.6872.2017/8.9 of A.N. Tupolev Kazan National Research Technical University (KAI).


DOI: https://doi.org/10.18287/2412-6179-2019-43-4-535-543

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Full text: http://www.computeroptics.smr.ru/.../430403.html
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Received: 25.02.2019
Accepted:08.05.2019

Citation: O. G. Morozov, A. Zh. Sakhabutdinov, “Addressed fiber Bragg structures in quasi-distributed microwave-photonic sensor systems”, Computer Optics, 43:4 (2019), 535–543

Citation in format AMSBIB
\Bibitem{MorSak19}
\by O.~G.~Morozov, A.~Zh.~Sakhabutdinov
\paper Addressed fiber Bragg structures in quasi-distributed microwave-photonic sensor systems
\jour Computer Optics
\yr 2019
\vol 43
\issue 4
\pages 535--543
\mathnet{http://mi.mathnet.ru/co674}
\crossref{https://doi.org/10.18287/2412-6179-2019-43-4-535-543}


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