Results 11 to 20 of about 25,095 (136)

Performance Comparison of Two Sensors Based on Surface Plasmon Resonance in a Plastic Optical Fiber [PDF]

open access: yesSensors, 2013
In silica optical fiber Surface Plasmon Resonance (SPR)-based sensors, an increase in fiber core diameter produces a corresponding increase in the sensitivity and Signal to Noise Ratio (SNR).
Nunzio Cennamo   +4 more
doaj   +2 more sources

Toward the Development of Plasmonic Biosensors to Realize Point-of-Care Tests for the Detection of Viruses and Bacteria

open access: yesEngineering Proceedings, 2023
Optical fiber biosensors can be used to develop point-of-care tests (POCTs) for detecting viruses and bacteria in several matrices. In particular, the surface plasmon resonance (SPR) and localized SPR phenomena (LSPR) can be excited by exploiting low ...
Francesco Arcadio   +5 more
doaj   +1 more source

Surface Plasmon Plastic Optical Fiber Resonance with Multi-Layer as Chemical Sensor

open access: yesIraqi Journal of Physics, 2021
A chemical optical fiber sensor based on surface plasmon resonance (SPR) was developed and implemented using multimode plastic optical fiber. The sensor is used to detect and measure the refractive index and concentration of various chemical materials ...
Emad Khatar, Sudad Salman Bassam
doaj   +1 more source

Optical Engineering for Day lighting Illumination System [PDF]

open access: yesEngineering and Technology Journal, 2014
In this research, solar illumination is suggested to be used as an alternative to regular electrical illumination sources. Sunlight rays are collected, concentrated and transported through a system of light guide which distributes the sunlight to ...
Hisham A. Maliek
doaj   +1 more source

Mode Coupling and Steady-State Distribution in Multimode Step-Index Organic Glass-Clad PMMA Fibers

open access: yesPhotonics, 2022
Mode coupling and power diffusion in multimode step-index (SI) organic glass-clad (OGC) PMMA fiber is examined in this study using the power flow equation (PFE).
Svetislav Savović   +3 more
doaj   +1 more source

High-Spatial-Resolution Position-Sensitive Plastic Scintillation Optical Fiber Bundle Detector

open access: yesPhotonics, 2021
We fabricated a 5 m long position-sensitive plastic scintillation optical fiber (PSOF) bundle detector composed of a sensing probe, two photomultiplier tubes (PMTs), two fast amplifiers, and a digitizer.
Siwon Song   +7 more
doaj   +1 more source

Optical Filter-Embedded Fiber-Optic Radiation Sensor for Ultra-High Dose Rate Electron Beam Dosimetry

open access: yesSensors, 2021
FLASH radiotherapy is an emerging radiotherapy technique used to spare normal tissues. It employs ultra-high dose rate radiation beams over 40 Gy/s, which is significantly higher than those of conventional radiotherapy.
Dong-Hyeok Jeong   +9 more
doaj   +1 more source

High bandwidth performance of newly designed multimode W-type microstructured plastic optical fibers with graded-index core distribution. [PDF]

open access: goldSci Rep
Simović A   +8 more
europepmc   +2 more sources

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