Results 11 to 20 of about 170,192 (312)
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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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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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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Microbend fiber-optic sensor [PDF]
Applied Optics, 1984 Intensity modulation induced by microbending in multimode fibers is considered as a transduction mechanism for detecting environmental changes such as pressure, temperature, acceleration, and magnetic and electric fields. A generic microbend sensor has been defined and studied, and its components, such as sensing fiber, light source, optical fiber ...
N, Lagakos, J H, Cole, J A, Bucaro
openaire +2 more sources
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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Black Phosphorus for Photonic Integrated Circuits
Research, 2023 Black phosphorus gives several advantages and complementarities over other two-dimensional materials. It has drawn extensive interest owing to its relatively high carrier mobility, wide tunable bandgap, and in-plane anisotropy in recent years.
Mingxin Zhang +3 more
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Sensors, 2017 A comprehensive study of the effect of a wide range of controlled human subject motion on Photoplethysmographic signals is reported. The investigation includes testing of two separate groups of 5 and 18 subjects who were asked to undertake set exercises ...
Hongwei Yuan +5 more
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Optimization of Pinned Photodiode Pixels for High-Speed Time of Flight Applications
IEEE Journal of the Electron Devices Society, 2018 We discuss optimizations of pinned photodiode (PPD) pixels for indirect time of flight sensors. We focus on the transfer-gate and dumping gate regions optimization, on the PPD dimension and shape to assure fast lateral charge transfer and on the ...
Fabio Acerbi +7 more
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Ultra-Broadband Subwavelength Grating Coupler for Bound State in Continuum
IEEE Photonics Journal, 2022 Grating couplers (GCs) are important for light to couple between optical fibers and photonic integrated circuits (PICs). The Bound State in Continuum (BIC) waveguides offer new functionalities for PIC.
Junjia Wang +6 more
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Sensors, 2020 A high-energy nanosecond-pulsed ultraviolet (UV) laser Talbot interferometer for high-efficiency, mass production of fiber Bragg grating (FBG) array was experimentally demonstrated.
Zhe Zhang +5 more
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