Pulse Wave Velocity Measurement With Multiplexed Fiber Optic Fabry
The paper presents an approach to noninvasively measure pulse wave delay and velocity by means of two multiplexed fiber-optic Fabry-Perot interferometric sensors interrogated by means of spectral
Seal whisker-inspired fiber-optic sensor for high-resolution flow
Table 1 summarizes and compares the performance of the proposed biomimetic whisker-inspired fiber-optic flow velocity sensor with that of existing fiber-optic flow sensing approaches.
The design of a new fiber optic sensor for measuring linear velocity
In this paper, we combine the advantage of the optical fiber and the weak-value amplification to detect linear velocity with picometer/second sensitivity. Our numerical results show
CHAPTER 09 FIBER OPTIC SENSORS
communication system via using fiber optics there was a great demand to measure and sense the rate of data transmission, change in phase, intensity, and wavelength and in the case of incentive
A Novel Fiber Optic Sensor for Microparticle Velocity
We report a microparticle velocity sensor with a conical lens fiber array. The conical lens fibers are linearly arrayed at the same interval to behave
Highly spatially resolved velocity measurements of a
Velocity measurements with a high spatial resolution are important in turbulent flow research. In this paper, we report on the development of a new fiber-optic laser-Doppler velocity
Active and Passive Optical Fiber Metrology for Detonation Velocity
This paper presents some peculiarities that were observed during the testing of our passive/active optical methods to measure detonation velocity. Both methods were tested us-ing bare optic fiber
Advanced optical measurement techniques for simultaneous fibre
A new measuring method is presented that allows time-resolved quasi-simultaneous measurement of fibre orientation and flow velocity of a transparent fluid such as a substitute fluid for...
Optical fiber sensor for water velocity measurement in rivers and
In this work, FBG fiber optic sensors for measuring water velocity using two different coatings were theoretically analyzed and experimentally developed, one of which was especially hardened to
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Abstract: A novel fiber optic sensor is proposed to achieve the measurement of single microparticle velocity in a two‐dimensional space by translating the cores of a multicore fiber in their
New approach for speed and direction measurement by fiber optic
The focus of this research is an optical fiber sensor based on the Michelson interferometer. The paper deals with the sensitivity of the measuring arm when changing its
A Novel Fiber Optic Sensor for Microparticle Velocity
A novel fiber optic sensor is proposed to achieve the measurement of single microparticle velocity in a two-dimensional space by translating the cores
The design of a new fiber optic sensor for measuring linear velocity
Our numerical results show our scheme with Weak-value amplification is effective and feasible to detect linear velocity with picometer/second sensitivity which is three orders of magnitude
Development of Miniaturised Fibre-Optic Laser Doppler
This study developed a fibre-optic laser Doppler velocimetry sensor for use in opaque, high-temperature, and high-pressure fluid flows by inserting the fibre perpendicular to the main flow.
A novel fiber optic sensor for multiple and simultaneous measurement
The architecture of the sensor is based on a simple optical layout and it is characterized by multiple fiber optic interferometric sensors which are operated in the homodyne mode.
(PDF) Pulse Wave Velocity Measurement With
The paper presents an approach to noninvasively measure pulse wave delay and velocity by means of two multiplexed fiber-optic Fabry-Perot
Pulse Wave Velocity Measurement with Multiplexed Fiber Optic Fabry
The paper presents the fiber-optic pulse wave velocity sensor, based on the multiplexed extrinsic Fabry-Perot interfer-ometers interrogated by the spectral interferometric approach.
Investigation on Sensor Layout of Optical Fiber Distributed Acoustic
To address these issues, this study employs distributed optical fiber sensors (DOFSs) for measuring flow velocity in water-filled pipes, and the effectiveness is validated by the fiber Bragg grating (FBG)
AI-Assisted Fiber Optic Sensors for Simultaneous Measurement
In this chapter, a novel ANN-assisted fiber optic sensing system for simultaneous measurement of temperature and strain has been proposed and successfully demonstrated.
Development of Measurement Method for Temperature
We have developed a new method for measuring temperature and velocity at a high spatial resolution (minimum 2.56 mm pitch along an optical
(PDF) Fiber-Optic Sensor for Web Velocity Measurement
Since the sensor design utilizes fibers, signal processing can be performed away from the measurement area, and as a result the sensor can be used in harsh
(PDF) Wavelength-modulated fiber optic sensor for high
A reflective intensity-modulated fiber-optic sensor based on microelectromechanical systems (MEMS) for pressure measurements is
Exhaustive analysis and simple model of an angular displacement optical
Furthermore, high-resolution fiber-optic sensors designed for precise angular displacement measurements have demonstrated their effectiveness in diverse applications such as the stroke of an
Distributed viscosity and flow velocity measurements using a fiber
This works because flow velocity and fluid viscosity directly translate to a shear stress and consequently to a tensile strain on the fiber optic cable. Using the technology of fiber-optic distributed
A novel velocity band energy workflow for fiber-optic DAS
In this study, we introduce a novel workflow to analyze optical fiber-based distributed acoustic sensor (DAS) data, which takes into account the speed of sound for a certain phase to filter
An Integrated Interferometric Fiber Optic Sensor Using
An integrated interferometric fiber optic velocimetry sensor has been proposed and demonstrated at the central wavelength of 638 nm. The sensor is
Fiber Optic Sensor Systems: Precision Measurement
Intro Fiber optic sensor systems have emerged as vital tools in the realm of precision measurement. These systems harness the unique properties of light to