A Novel Fiber-Optic Ice Sensor to Identify Ice Types Based on Total Reflection
Sensors, 2023 To address the issues of not accurately identifying ice types and thickness in current fiber-optic ice sensors, in this paper, we design a novel fiber-optic ice sensor based on the reflected light intensity modulation method and total reflection ...
Chi Zhang +8 more
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Intraluminal Monitoring of Micro Vessels. A Surgical Feasibility Study
Frontiers in Surgery, 2021 Objective: Monitoring of vessel perfusion is of high clinical importance in vascular anastomosis of free flaps. Current sensor systems are based on different principles and show limitations in validity and accuracy.
Leonard Walle +3 more
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Micromachined optical fiber current sensor [PDF]
Applied Optics, 1999 We describe a micromachined optical fiber current sensor. The sensing element consists of a squared silicon membrane (8 mm long and 20 microm thick) that has a cylindrical permanent magnet (NdFeB alloy, 3-mm diameter, 1.5 mm high) fixed on its central region.
Heredero, R.L. +5 more
openaire +6 more sources
MINIMIZATION OF NOISE FLOOR LEVEL OF FIBER-OPTIC INTERFEROMETRIC SENSOR ARRAY BY ADJUSTMENT OF OPERATIONAL AMPLIFIER CASCADE PARAMETERS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2019 Subject of Research. The paper presents results of the experimental study on the dependence of the noise floor level of a fiber-optic interferometric sensor array on the gain factor of operational amplifiers located on the signal processing board and ...
Matvey V. Bykadorov +3 more
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Research on Measurement Technology of Ship Leakage Current by All-Fiber Optic Current Sensor
IEEE Access, 2021 In this study, all-fiber optic current sensor is adapted to measure the leakage current of ships. The analytical model is built in a two-dimensional (2D) cartesian coordinate system.
Jianhua Wu +3 more
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Fiber Optic Sensors Based on the Faraday Effect
Sensors, 2021 Some 175 years ago Michael Faraday discovered magnetic circular birefringence, now commonly known as the Faraday effect. Sensing the magnetic field through the influence that the field has on light within the fiber optic sensor offers several advantages,
Pedja Mihailovic, Slobodan Petricevic
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Preliminary assessment of abdominal organ perfusion utilizing a fiber optic photoplethysmographic sensor [PDF]
, 2010 In an attempt to overcome the limitations of current techniques for monitoring abdominal organ perfusion, a prototype reflectance fiber optic photoplethysmographic (PPG) sensor and processing system was evaluated on seventeen anaesthetized patients ...
Hickey, M. +4 more
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Miniature Fiber-Optic Magnetic Field Sensor Based on Ampere Force and Fiber Laser
Photonic Sensors, 2020 A compact fiber-optic magnetic field sensor is proposed by packaging an orthogonal dual-frequency fiber grating laser and a copper wire with alternating electrical current together inside epoxy resin.
Weiren Cheng +4 more
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Investigation of photoplethysmographic signals and blood oxygen saturation values obtained from human splanchnic organs using a fiber optic sensor [PDF]
, 2011 Objective A reliable, continuous method of monitoring splanchnic organ oxygen saturation could allow for the early detection of malperfusion, and may prevent the onset of multiple organ failure.
AJ Crerar-Gilbert +16 more
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Polarization properties of interferometrically interrogated fiber Bragg grating and tandem-interferometer strain sensors [PDF]
, 2006 Lead sensitivity in low-coherence interferometric fiber-optic sensors is a well-known problem. It can lead to a severe degradation in the sensor resolution and accuracy through its effect on the fringe visibility and interferometric phase.
Cranch, G A +2 more
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