Optical fiber sensors for monitoring cement paste carbonation
Currently, the carbonation of cement paste is monitored through the measurement of its pH, with several optical fiber sensors (OFS) have been produced for this purpose. In the current work
Real-Time Monitoring of Cement Paste Carbonation with In Situ
This work introduces two new methods for monitoring cement paste carbonation in real time that have been validated through the accelerated carbonation of cement paste samples.
Measuring the heterogeneity of cement paste by truly distributed
The distributed optical fiber sensors are embedded in a cement paste cantilever. A controlled deflection is applied at the free end of it, and the strain is measured. The results are
Development of alginate gel nanosphere-based fluorescent fiber optic
To address these issues, this study developed a fluorescent fiber optic sensor for non-destructive detection of chloride ion concentration in cement-based materials.
High-performance Concrete
Compliant fiber-optic micro-strain sensors have been used for measurement of chemical as well as autogenous shrinkage of cement pastes with different water-cement ratios.
Measuring Water Vapor Sorption Hysteresis of Cement Paste
In this work, a multimode fiber was embedded in cement paste for real-time monitoring of cement paste water vapor sorption. Changes in the reflected light intensity due to the build-up of
Study on the measurement of paste flow based on the optical fiber
Originality/value A new method for measuring the paste flow is presented, which is based on the principle of optical fiber Doppler. The method has the advantages of convenient installation, high
Real-Time Monitoring of Cement Paste Carbonation with In Situ Optical
In the first configuration, the carbonation depth of a cement paste sample is measured using two CO2 optical fiber sensors. One sensor is positioned on the surface of the sample, while the
Optical Fibre-Based Sensors—An Assessment of Current Innovations
Optical fibre sensors are an essential subset of optical fibre technology, designed specifically for sensing and measuring several physical parameters. These sensors offer unique advantages over traditional
Optical Fiber Sensors: Working Principle, Applications,
Fiber-optic technology emerged originally for applications in data transmission and telecommunications. However, sensors based on fiber-optics
Measuring Water Vapor Sorption Hysteresis of Cement Paste through
In this work, a multimode fiber was embedded in cement paste for real-time monitoring of cement paste water vapor sorption.
What is a Fiber Optic Sensor?
A fiber optic sensor operates with an optical fiber cable connected to a dedicated light source. These sensors offer great mounting flexibility and can be used is in a variety of environments.
Measuring Water Vapor Sorption Hysteresis of Cement Paste
Water vapor sorption is a powerful tool for the analysis of cement paste, one of the most used substances by mankind. The monitoring of cementitious materials is fundamental for the
Study on the measurement of paste flow based on the optical fiber
Design/methodology/approach Applying flow measurement theory and the structural characteristics of optical fiber, flow measurement of paste can be achieved through a combined laser Doppler and
Flow Measurement Control System for Loose Tube
Introduction In the production of loose tube optical cables, fiber paste is essential for protecting optical fibers from moisture and mechanical stress.
Fiber Optic Temperature Sensing and Measurement
Measure temperature with fiber optic sensors for high-resolution distributed and multipoint monitoring in batteries, processes, and harsh environments.
Optical Fiber Sensors and Sensing Networks: Overview of the Main
Optical fiber sensors present several advantages in relation to other types of sensors. These advantages are essentially related to the optical fiber properties, i.e., small, lightweight,
Fiber Optic Sensors: Principles, Characteristics, and
Fiber Optic Sensors Based on Light Intensity Changes: Environmental changes are measured by analyzing the intensity changes of light signals. These
This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.