Evaluation of Viscosity Dependence of the Critical Meniscus Height with Optical Fiber Sensors
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 bet...
An Accessible Method of Embedding Fibre Optic Sensors on Lithium-ion Battery Surface for in-situ Thermal Monitoring
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 mounti...
Novel Technique for Meniscus Height Measurement of Liquids Using Optical Fibers
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...
Fiber Optic Sensors Embedded in Textile-Reinforced Concrete for Smart Structural Health Monitoring: A Review
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), 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...
Editorial on Special Issue “Modern Applications in Optics and Photonics: From Sensing and Analytics to Communication”
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), 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 nove...
Investigation on the sensitivity of an etched graded-index multi-mode fiber to refractive index and temperature for mode-multiplexed fiber optic sensor applications
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 Editionhttps://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 ...
All-Optical Planar Polymer Waveguide-Based Biosensor Chip Designed for Smartphone-Assisted Detection of Vitamin D
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), 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 ...
Monitoring of the Critical Meniscus of Very Low Liquid Volumes Using an Optical Fiber Sensor
Journal Article
Binetti, L., Del Villar, I., Prabuddha Dissanayake, K., Stankiewicz, A., Sun, T., Grattan, K. T. V., & Alwis, L. S. M. (2020)
Monitoring of the Critical Meniscus of Very Low Liquid Volumes Using an Optical Fiber Sensor. IEEE Sensors Journal, 20(20), 12232-12240. https://doi.org/10.1109/JSEN.2020.2999537
A novel sensing system based on single mode optical fiber in reflective configuration has been developed to measure the critical meniscus height (CMH) of low volumes of liquid...
Optical fibre thermometry using ratiometric green emission of an upconverting nanoparticle- polydimethylsiloxane composite
Journal Article
Kumar, R., Binetti, L., Nguyen, .. H., Alwis, L. S., Sun, T., & Grattan, K. T. (2020)
Optical fibre thermometry using ratiometric green emission of an upconverting nanoparticle- polydimethylsiloxane composite. Sensors and Actuators A: Physical, 312, https://doi.org/10.1016/j.sna.2020.112083
The thermally coupled green band emission from excited Er 3+ ions has been used in the past to create optical thermometers, by doping the material in various types of media, p...
SPR biosensor based on polymer multi-mode optical waveguide and nanoparticle signal enhancement
Journal Article
Gabriela Walter, J., Eilers, A., Alwis, L., Wilhelm Roth, B., & Bremer, K. (2020)
SPR biosensor based on polymer multi-mode optical waveguide and nanoparticle signal enhancement. Sensors, 20(10), https://doi.org/10.3390/s20102889
We present a surface plasmon resonance (SPR) biosensor that is based on a planar-optical multi-mode (MM) polymer waveguide structure applied for the detection of biomolecules ...