Results 1 to 10 of about 1,649 (119)
Scientific Reports, 2021 An optical fibre sensor based on radioluminescence, using the scintillation material terbium doped gadolinium oxysulphide (Gd2O2S:Tb) is evaluated, using a 3D printed anthropomorphic phantom for applications in low dose-rate (LDR) prostate brachytherapy.
P. Woulfe +6 more
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Results in Optics, 2021 This paper presents analysis and experiment on simultaneous measurement of strain and temperature using pair of etched and un-etched fiber Bragg grating (FBG) fabricated in a single mode glass optical fiber.
Jitendra Kumar +6 more
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Nature Communications, 2021 Optoacoustic sensing applications are limited by weak electrostrictive force. Here, the authors induce photothermally acoustic vibrations with a focused pulsed laser, and via scanning demonstrate sensing of acoustic impedance at 10 µm spatial resolution,
Yizhi Liang +4 more
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Ultra-low-loss anti-resonant hollow-core fiber with nested concentric circle structures
Results in Physics, 2022 In this paper, a novel nested concentric circle anti-resonant hollow-core fiber with double-layer cladding structure and an outer cladding ring is proposed. By optimizing the structural parameter of the novel fiber, its confinement loss reaches 0.0001 dB/
Xingtao Zhao +4 more
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Dosimetric Application of Phosphorus Doped Fibre for X-ray and Proton Therapy
Sensors, 2021 Phosphorous-doped silica optical fibres with a core diameter of 4 µm were tested in X-ray and proton fields for application in cancer therapy dosimetry.
Olugbenga J. Olusoji +7 more
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Nonlinear Hydraulic Pressure Response of an Improved Fiber Tip Interferometric High-Pressure Sensor
Sensors, 2020 We demonstrate a silica diaphragm-based fiber tip Fabry–Perot interferometer (FPI) for high-pressure (40 MPa) sensing. By using a fiber tip polishing technique, the thickness of the silica diaphragm could be precisely controlled and the pressure ...
Wei Huang +7 more
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A High-Strength Strain Sensor Based on a Reshaped Micro-Air-Cavity
Sensors, 2020 We demonstrate a high-strength strain sensor based on a micro-air-cavity reshaped through repeating arc discharge. The strain sensor has a micro-scale cavity, approximate plane reflection, and large wall thickness, contributing to a broad free spectrum ...
Yanping Chen +7 more
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Measurement of Interfacial Adhesion Force with a 3D-Printed Fiber-Tip Microforce Sensor
Biosensors, 2022 With the current trend of device miniaturization, the measurement and control of interfacial adhesion forces are increasingly important in fields such as biomechanics and cell biology.
Mengqiang Zou +7 more
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Optical Fibre Pressure Sensors in Medical Applications
Sensors, 2015 This article is focused on reviewing the current state-of-the-art of optical fibre pressure sensors for medical applications. Optical fibres have inherent advantages due to their small size, immunity to electromagnetic interferences and their suitability
Sven Poeggel +5 more
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Recent Improvement of Medical Optical Fibre Pressure and Temperature Sensors
Biosensors, 2015 This investigation describes a detailed analysis of the fabrication and testing of optical fibre pressure and temperature sensors (OFPTS). The optical sensor of this research is based on an extrinsic Fabry–Perot interferometer (EFPI) with integrated ...
Sven Poeggel +7 more
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