Miniaturized High-Speed FBG Interrogator Based on a Photonic AWG Chip [PDF]
NanomaterialsAlthough AWGs are widely used in FBG interrogation systems, conventional interrogators are often bulky and hard to deploy, limiting their use in complex field environments. Here, we developed an FBG interrogator based on a photonic AWG chip, comprising a
Yunjing Jiao +7 more
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Simultaneous Interrogation of Multiple Fiber Bragg Grating Sensors Using an Arrayed Waveguide Grating Filter Fabricated in SOI Platform [PDF]
IEEE Photonics Journal, 2015 A novel fiber Bragg grating (FBG) interrogator is demonstrated based on an optimized arrayed waveguide grating (AWG) filter. The AWG response is optimized to achieve large crosstalk between the output channels, which allows simultaneous detection of ...
Andrea Trita +6 more
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Photonic Integrated Interrogator for Monitoring the Patient Condition during MRI Diagnosis
Sensors, 2021 In this work, we discuss the idea and practical implementation of an integrated photonic circuit-based interrogator of fiber Bragg grating (FBG) sensors dedicated to monitoring the condition of the patients exposed to Magnetic Resonance Imaging (MRI ...
Mateusz Słowikowski +2 more
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An Edge-Filtered Optical Fiber Interrogator for Thermoplastic Polymer Analysis
Sensors, 2023 The present paper deals with the determination of thermodynamic quantities of thermoplastic polymers by using an optical fiber interrogator. Typically, laboratory methods such as differential scanning calorimetry (DSC) or thermomechanical analysis (TMA ...
Vincent Backmann
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Sensors, 2021 Concrete infrastructure requires continuous monitoring to ensure any new damage or repair failures are detected promptly. A cost-effective combination of monitoring and maintenance would be highly beneficial in the rehabilitation of existing ...
Jack McAlorum +2 more
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Transverse force sensing with a uniform FBG and unpolarized light via machine learning [PDF]
Scientific ReportsIn this paper, we report that a uniform fiber Bragg grating (FBG), interrogated with broadband light, can be used to reliably measure transverse force through the analysis of its unpolarized reflected amplitude spectrum.
Victor Tocanne +4 more
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On-Chip Sub-Picometer Continuous Wavelength Fiber-Bragg-Grating Interrogator
Photonic SensorsMiniaturized fiber-Bragg-grating (FBG) interrogators are of interest for applications in the areas where weight and size controlling is important, e.g., airplanes and aerospace or in-situ monitoring.
Yuan Zhuang +6 more
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Respiratory Rate Monitoring via a Fibre Bragg Grating-Embedded Respirator Mask with a Wearable Miniature Interrogator [PDF]
SensorsA respiration rate (RR) monitoring system was created by integrating a Fibre Bragg Grating (FBG) optical fibre sensor into a respirator mask. The system exploits the sensitivity of an FBG to temperature to identify an individual’s RR by measuring airflow
Nat Limweshasin +6 more
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Low-cost interrogation system for dynamic sensor applications using a resin based fiber Fabry Perot filter [PDF]
EPJ Web of Conferences, 2021 In this paper it will be presented a prototype of a low-cost power interrogator for dynamic sensor applications. The proposed system is based on the edge filter technique, where the slope of an in-house resin based Fabry Perot (FP) filter is used to ...
Preizal João +2 more
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Scientific requirements of Interrogation of child victims of sexual abuse in the primary investigation process [PDF]
Faṣlnāmah-i Pizhūhish-i Huqūq-i Kiyfarī, 2023 Despite the fact that the interrogation and initial questions and answers of the victim in the primary investigations process play a prominent role in the detection of crimes, but the physical and mental characteristics of the interrogator and the manner
Hossein Goldouzian
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