Results 1 to 10 of about 559,327 (258)
Recent research in Phase-Sensitive Optical Time Doman Reflectometry (ϕ-OTDR) has been focused, among others, on performing spatially resolved measurements with various methods including the use of frequency modulated probes.
Y. Muanenda +4 more
doaj +1 more source
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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Temperature and Humidity Sensitivity of Polymer Optical Fibre Sensors Tuned by Pre-Strain
Polymer optical fibre Bragg grating (POFBG) sensors are of high interest due to their enhanced fracture toughness, flexibility in bending, and sensitivity in stress and pressure monitoring applications compared to silica-based sensors.
Andreas Pospori +2 more
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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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Recent Progress in Optical Sensors for Biomedical Diagnostics [PDF]
In recent years, several types of optical sensors have been probed for their aptitude in healthcare biosensing, making their applications in biomedical diagnostics a rapidly evolving subject.
Altintas, Zeynep, Pirzada, Muqsit
core +1 more source
Dosimetric Application of Phosphorus Doped Fibre for X-ray and Proton Therapy
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
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
doaj +1 more source
Optical waveguide sensors [PDF]
An overview of the field of optical waveguide sensors is presented. Some emphasis is laid on the development of a single scheme under which the diversity of sensor principles can be arranged.
Fluitman, J., Popma, Th.
core +2 more sources
Optical Fibre Pressure Sensors in Medical Applications
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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Nonlinear Hydraulic Pressure Response of an Improved Fiber Tip Interferometric High-Pressure Sensor
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
doaj +1 more source

