Outputs (48)

Evaluation of Viscosity Dependence of the Critical Meniscus Height with Optical Fiber Sensors (2021)
Journal Article
Binetti, L., Simpson, F., & Alwis, L. S. M. (2021). Evaluation of Viscosity Dependence of the Critical Meniscus Height with Optical Fiber Sensors. Sensors, 21(23), Article 8130. https://doi.org/10.3390/s21238130

Conventional means of data extraction using optical fiber interrogators are not adequate for fast-paced detection of a target parameter. In this instance, the relationship between the critical meniscus heights (CMH) of several liquids to the extracti... Read More about Evaluation of Viscosity Dependence of the Critical Meniscus Height with Optical Fiber Sensors.

An Accessible Method of Embedding Fibre Optic Sensors on Lithium-ion Battery Surface for in-situ Thermal Monitoring (2021)
Journal Article
Alcock, K., Grammel, M., González-Vila, A., Binetti, L., Goh, K., & Alwis, L. (2021). An Accessible Method of Embedding Fibre Optic Sensors on Lithium-ion Battery Surface for in-situ Thermal Monitoring. Sensors and Actuators A: Physical, 332(1), Article 113061. https://doi.org/10.1016/j.sna.2021.113061

Presented is a proof of concept to evaluate the suitability of a mounting technique for fibre optic sensors (FOSs) to measure Lithium-ion Battery (LIB) temperature. Two mounting techniques for the optical fibre, i.e. containing multiple Fibre Bragg G... Read More about An Accessible Method of Embedding Fibre Optic Sensors on Lithium-ion Battery Surface for in-situ Thermal Monitoring.

Novel Technique for Meniscus Height Measurement of Liquids Using Optical Fibers (2021)
Journal Article
Binetti, L., & Alwis, L. S. M. (2021). Novel Technique for Meniscus Height Measurement of Liquids Using Optical Fibers. IEEE Sensors Journal, 21(18), 20092-20098. https://doi.org/10.1109/jsen.2021.3100644

A novel technique was designed to measure the meniscus height (MH) of liquids on a standard single mode fiber (SMF) using fiber optics. Once the MH is known, the contact angle could be calculated, and the surface tension of liquids can be determined.... Read More about Novel Technique for Meniscus Height Measurement of Liquids Using Optical Fibers.

Fiber Optic Sensors Embedded in Textile-Reinforced Concrete for Smart Structural Health Monitoring: A Review (2021)
Journal Article
Alwis, L. S. M., Bremer, K., & Roth, B. (2021). Fiber Optic Sensors Embedded in Textile-Reinforced Concrete for Smart Structural Health Monitoring: A Review. Sensors, 21(15), Article 4948. https://doi.org/10.3390/s21154948

The last decade has seen rapid developments in the areas of carbon fiber technology, additive manufacturing technology, sensor engineering, i.e., wearables, and new structural reinforcement techniques. These developments, although from different area... Read More about Fiber Optic Sensors Embedded in Textile-Reinforced Concrete for Smart Structural Health Monitoring: A Review.

Editorial on Special Issue “Modern Applications in Optics and Photonics: From Sensing and Analytics to Communication” (2021)
Journal Article
Alwis, L. S. M., Bremer, K., & Roth, B. (2021). Editorial on Special Issue “Modern Applications in Optics and Photonics: From Sensing and Analytics to Communication”. Applied Sciences, 11(4), Article 1589. https://doi.org/10.3390/app11041589

Note: In lieu of an abstract, this is an excerpt from the first page. Optics and photonics are among the key technologies of the 21st century and offer the potential for novel applications in areas as diverse as sensing and spectroscopy, analytics... Read More about Editorial on Special Issue “Modern Applications in Optics and Photonics: From Sensing and Analytics to Communication”.

Evaluation of the potential of Fiber Optic Sensors for Structural Health Monitoring of Carbon Fiber-Reinforced Concrete Composites (2020)
Conference Proceeding
Alwis, L., Bremer, K., Weigand, F., Kuhne, M., Helbig, R., & Roth, B. (2020). Evaluation of the potential of Fiber Optic Sensors for Structural Health Monitoring of Carbon Fiber-Reinforced Concrete Composites. In G. Cranch, A. Wang, M. Digonnet, & P. Dragic (Eds.), Optical Fiber Sensors Conference 2020 Special Edition. https://doi.org/10.1364/OFS.2020.W4.66

The paper presents an evaluation on the structural and operational potential of fiber optic sensors (FOSs) to be utilized for real-time continuous structural health monitoring (SHM) of fiber-reinforced carbon concrete composites (C3).

Design a Monitoring System For Pathogen Detection Using Microfluidic Technology (2020)
Conference Proceeding
Kerrouche, A., Lithgow, J., & Alwis, L. (2020). Design a Monitoring System For Pathogen Detection Using Microfluidic Technology. In G. Cranch, A. Wang, M. Digonnet, & P. Dragic (Eds.), Optical Fiber Sensors Conference 2020 Special Edition. https://doi.org/10.1364/OFS.2020.Th4.6

Waterborne pathogens affect all waters globally and proceed to be a ongoing concern. The act to provide clean water by filtration is effective although has concerns. Previous methods for detection and removal of pathogens consist of a... Read More about Design a Monitoring System For Pathogen Detection Using Microfluidic Technology.

Feasibility Study on the Potential of Fibre Bragg Gratings for Thermal Monitoring of Cylindrical Lithium-Ion Batteries (2020)
Conference Proceeding
Alcock, K., Grammel, M., Binetti, L., Gonzales Vila, A., Goh, K., & Alwis, L. (2020). Feasibility Study on the Potential of Fibre Bragg Gratings for Thermal Monitoring of Cylindrical Lithium-Ion Batteries. In G. Cranch, A. Wang, M. Digonnet, & P. Dragic (Eds.), Optical Fiber Sensors Conference 2020 Special Edition. https://doi.org/10.1364/OFS.2020.T3.49

Bragg Gratings were used to monitor thermal fluctuations of a Lithium-Ion battery by attaching the sensors outside the casing of the battery. Results are comparable to that obtained from thermo-couples and thus verifies its potential.

Investigation on the sensitivity of an etched graded-index multi-mode fiber to refractive index and temperature for mode-multiplexed fiber optic sensor applications (2020)
Conference Proceeding
Alwis, L., Bremer, K., & Roth, B. (2020). Investigation on the sensitivity of an etched graded-index multi-mode fiber to refractive index and temperature for mode-multiplexed fiber optic sensor applications. In Optical Fiber Sensors Conference 2020 Special Edition. https://doi.org/10.1364/OFS.2020.T3.7

The work presents an investigation on the utilization of an etched Graded-Index (GI)-Multi-Mode Fiber (MMF) for mode-multiplexed Fiber Optic Sensor (FOS) applications and the simultaneous measurement of the Surrounding Refractive Index (SRI) The work... Read More about Investigation on the sensitivity of an etched graded-index multi-mode fiber to refractive index and temperature for mode-multiplexed fiber optic sensor applications.

All-Optical Planar Polymer Waveguide-Based Biosensor Chip Designed for Smartphone-Assisted Detection of Vitamin D (2020)
Journal Article
Walter, J., Alwis, L. S. M., Roth, B., & Bremer, K. (2020). All-Optical Planar Polymer Waveguide-Based Biosensor Chip Designed for Smartphone-Assisted Detection of Vitamin D. Sensors, 20(23), Article 6771. https://doi.org/10.3390/s20236771

An all-optical plasmonic sensor platform designed for smartphones based on planar-optical waveguide structures integrated in a polymer chip is reported for the first time. To demonstrate the applicability of the sensor system for biosensing purposes,... Read More about All-Optical Planar Polymer Waveguide-Based Biosensor Chip Designed for Smartphone-Assisted Detection of Vitamin D.