Results 61 to 70 of about 50,246 (312)

Recent Advances in Fiber-Optic Sensors for the Detection of Inorganic Acidic Gases

Photonic Sensors
An acidic gas is an important basic chemical raw material used for synthesizing fertilizers, insecticides, explosives, dyes, and salts. Alternatively, inorganic acidic gases that leak into the air have harmful effects on the human health, infrastructure,
Lingnan Kong, Yuanke Gong, Xiaoyu Zhong, Yang Liu, Bo Wan, Quanhua Xie, Yuanyuan He, Xiaoling Peng, Haixing Chang, Dengjie Zhong, Huiling Liu, Nianbing Zhong   +11 more
doaj   +1 more source

MOGAD Is the Most Common Cause of Isolated Optic Neuritis in Children

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives The study aimed to characterize the clinical features, etiologies, and outcomes of isolated, first‐time pediatric ON in the post‐MOG‐IgG era. Methods This was a single‐center retrospective cohort study at Texas Children's Hospital of patients diagnosed with first‐time ON between 2018–2024, with follow‐up data collected through 2025.
Chaitanya Aduru, Akansha Chandrasekar, Kyla Blasingame, Jonathan Rosen, Jesse M. Levine, Karla Salazar, Madhuri Chilakapati, Rod Foroozan, Victoria Hardwick, Jonathan M. Yarimi, Nikita Shukla, Timothy E. Lotze, Kristen S. Fisher, Alexander J. Sandweiss   +13 more
wiley   +1 more source

Efficient large-scale multiplexing of fiber Bragg grating and fiber Fabry-Perot sensors for structural health monitoring applications

, 2006
Fiber Bragg gratings have been demonstrated as a versatile sensor for structural health monitoring. We present an efficient and cost effective multiplexing method for fiber Bragg grating and fiber Fabry-Perot sensors based on a broadband mode-locked ...
Kirkendall, C. K., Flockhart, G. M. H., Cranch, Geoffrey A.   +2 more
core   +1 more source

Fibre Bragg grating based effective soil pressure sensor for geotechnical applications [PDF]

, 2009
An effective-soil-pressure sensor for geotechnical applications based on Fibre Bragg Gratings is presented. The sensor simultaneous measures total soil pressure and pore pressure, allowing the calculation of the effective stress of soil.
Ricardo Correia, Staines, Stephen E., Stephen Staines, Ralph P. Tatam, James, Stephen W., Kutner, Joel, Jin Li, Pedro Ferreira, Dewhurst, Paul, Tatam, Ralph P., Chehura, Edmon, Correia, Ricardo N., Joel Kutner, Ferreira, Pedro, Stephen W. James, Li, Jin, Edmon Chehura, Paul Dewhurst   +17 more
core   +1 more source

Influence of Optical Fiber Diameters on the Performance of Surface Plasmon Resonance Sensor

مجلة بغداد للعلوم, 2022
In this research, a sensor for chemical solutions was designed and formed using optical fiber-based on a surface Plasmon resonance technology. A single-mode optical fiber with three different diameters (25, 45 and 65) µm was used, respectively.
Haider Y. Hammod, Tammara Jamal Mossa
doaj   +1 more source

Subclinical Optic Nerve Involvement in Radiologically Isolated Syndrome: Multimodal Detection and Diagnostic Impact

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives We aimed to determine the frequency of subclinical optic nerve (ON) lesions using MRI, optical coherence tomography (OCT), and visual evoked potentials (VEP) in radiologically isolated syndrome (RIS), and to assess their diagnostic and prognostic significance.
Christine Lebrun‐Frenay, Cassandre Landes‐Château, Lydiane Mondot, Mikael Cohen, Margherita Popolo, Jérôme de Seze, Bertrand Bourre, Françoise Durand‐Dubief, Olivier Casez, Orhun H. Kantarci, Aksel Siva, Stephanie Baillif, Darin T. Okuda, Letizia Leocani   +13 more
wiley   +1 more source

PCF Based Sensor with High Sensitivity, High Birefringence and Low Confinement Losses for Liquid Analyte Sensing Applications [PDF]

, 2015
In this paper, we report a design of high sensitivity Photonic Crystal Fiber (PCF) sensor with high birefringence and low confinement losses for liquid analyte sensing applications.
Huseyin Ademgil, Haxha, Shyqyri, Ademgil, Huseyin, Shyqyri Haxha   +3 more
core   +1 more source

In-situ monitoring of changes in temperature and microstrain during the chemical corrosion of stone cultural relics

Heritage Science
Temperature changes during the chemical corrosion of stone cultural relics affect the condensation and evaporation of water and chemical reactions between soluble substances and corrosive solutions.
Huihua Wu, Quanhua Xie, Yuanyuan He, Xuefeng He, Yuan Zhou, Yang Liu, Yufei Liu, Yang Liu, Bo Wan, Nianbing Zhong   +9 more
doaj   +1 more source

Label-free rat brain traumatic penumbra imaging based on multiphoton fluorescence microscopy

Journal of Innovative Optical Health Sciences
Traumatic penumbra (TP) is a region with recoverable potential around the primary lesion of brain injury. Rapid and accurate imaging for identifying TP is essential for treating traumatic brain injury (TBI).
Shanghai Jiang, Pan Guo, Li Ai, Yuancan Li, Le Chen, Jie Zhong, Hua Yang, Hong Lu   +7 more
doaj   +1 more source

FIBER OPTIC SENSORS

PIRETC-Proceeding of The International Research Education & Training Centre, 2023
In addition to the benefits, recent developments and cost reductions have sparked interest in fiber optical sensing. In order fiber optic sensors must be made, researchers integrated optoelectronic devices with fiber optic telecommunications' byproducts.
openaire   +1 more source