Results 21 to 30 of about 89,792 (336)

Photocatalytic synergistic biofilms enhance tetracycline degradation and conversion

open access: yesEnvironmental Science and Ecotechnology, 2023
Tetracyclines are refractory pollutants that cause persistent harm to the environment and human health. Therefore, it is urgently necessary to develop methods to promote the efficient degradation and conversion of tetracyclines in wastewater. This report
Chuanbao Xiao   +9 more
doaj  

Fiber Loop Ringdown — a Time-Domain Sensing Technique for Multi-Function Fiber Optic Sensor Platforms: Current Status and Design Perspectives

open access: yesSensors, 2009
Fiber loop ringdown (FLRD) utilizes an inexpensive telecommunications light source, a photodiode, and a section of single-mode fiber to form a uniform fiber optic sensor platform for sensing various quantities, such as pressure, temperature, strain ...
Chuji Wang
doaj   +1 more source

High Sensitivity Hot-wire based Wind Velocity Sensor using Co-doped Fiber and Fiber Bragg Grating for use in mining applications [PDF]

open access: yes, 2018
In this paper, a mathematical model of the temperature distribution in a fiber-optic version of the familiar 'hot-wire' wind velocity sensor has been established and a practical sensor device realized and investigated for use in coal mining applications.
Dong, G.   +8 more
core   +1 more source

Research on the estimation method of the point-of-interest (POI) displacement for ultra-precision flexible motion system based on functional optical fiber sensor

open access: yesMechanics & Industry, 2021
This paper proposes a POI displacement estimation method based on the functional optical fiber sensor and the phase modulation principle to improve the POI displacement estimation accuracy. First, the relation between the object deformation and the optic
Li Yujie, Zhang Ming, Zhu Yu
doaj   +1 more source

Polarization mode dispersion in radio-frequency interferometric embedded fiber-optic sensors [PDF]

open access: yes, 2001
The effect of fiber birefringence on the propagation delay in an embedded fiber-optic strain sensor is studied. The polarization characteristics of the sensor are described in terms of polarization mode dispersion through the principal states of ...
Dimenstein, O.   +5 more
core   +1 more source

Guided Wave and Damage Detection in Composite Laminates Using Different Fiber Optic Sensors

open access: yesSensors, 2009
Guided wave detection using different fiber optic sensors and their applications in damage detection for composite laminates were systematically investigated and compared in this paper.
Fucai Li   +3 more
doaj   +1 more source

Optical fiber sensor review [PDF]

open access: yes, 2020
Technology of fiber optic are widely used for its applications which mostly known for carrying information over long distances for the best efficiency.
Abdul Manaf, Muhammad Shukri   +3 more
core  

Development of the Noncontact Temperature Sensor Using the Infrared Optical Fiber Coated with Antifog Solution

open access: yesScience and Technology of Nuclear Installations, 2015
This study developed a noncontact fiber-optic temperature sensor that can be installed in a spent nuclear fuel pool. This fiber-optic temperature sensor was fabricated using an infrared optical fiber to transmit the infrared light emitted from water at a
Rinah Kim   +3 more
doaj   +1 more source

Highly Sensitive Temperature Sensors Based on Fiber-Optic PWM and Capacitance Variation Using Thermochromic Sensing Membrane

open access: yesSensors, 2016
In this paper, we propose a temperature/thermal sensor that contains a Rhodamine-B sensing membrane. We applied two different sensing methods, namely, fiber-optic pulse width modulation (PWM) and an interdigitated capacitor (IDC)-based temperature sensor
Md. Rajibur Rahaman Khan, Shin-Won Kang
doaj   +1 more source

Simulation of Adhesive Bonding of a Fiber-Optic Rayleigh Sensor with Composite Material as Part of the Design of a Monitoring System [PDF]

open access: yesE3S Web of Conferences, 2023
Using fiber optic sensors in the aviation industry is a relevant and promising technology that can significantly improve the safety and efficiency of air travel.
Shramko Konstantin   +3 more
doaj   +1 more source

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