Results 31 to 40 of about 3,683,812 (293)

Self-Imaging Effect in Liquid-Filled Hollow-Core Capillary Waveguide for Sensing Applications

open access: yesSensors, 2019
A high sensitivity fiber-optic sensor based on self-imaging effect in a hollow-core capillary waveguide (HCCW) is presented for sensing applications. The sensor is composed of a section of HCCW fusion spliced between single mode fibers (SMFs).
Yijian Huang   +4 more
doaj   +1 more source

Laser-frequency locking techniques for high-sensitivity strain measurements by high-birefringence fiber Bragg gratings and resonators [PDF]

open access: yes, 2007
A new approach to simultaneously interrogate orthogonal axes of single Fiber- Bragg-Gratings (FBGs) and FBG-FabryPerot resonator sensors fabricated in linearly highly birefringent (HiBi) fibre is presented.
Ferraro, P.   +20 more
core   +1 more source

A BTO/PVDF/PDMS Piezoelectric Tangential and Normal Force Sensor Inspired by a Wind Chime

open access: yesMicromachines, 2023
There is a growing demand for flexible pressure sensors in environmental monitoring and human–robot interaction robotics. A flexible and susceptible sensor can discriminate multidirectional pressure, thus effectively detecting signals of small ...
Chunyan Zhang   +6 more
doaj   +1 more source

Recent Progress in Fabrications and Applications of Heating-Induced Long Period Fiber Gratings

open access: yesSensors, 2019
This paper presents a review of our work concerning the recent progress in fabrications and applications of heating-induced long period fiber gratings (LPFGs).
Cailing Fu   +6 more
doaj   +1 more source

Novel Corrugated Long Period Grating Surface Balloon-Shaped Heterocore-Structured Plastic Optical Fibre Sensor for Microalgal Bioethanol Production

open access: yesSensors, 2023
A novel long period grating (LPG) inscribed balloon-shaped heterocore-structured plastic optical fibre (POF) sensor is described and experimentally demonstrated for real-time measurement of the ultra-low concentrations of ethanol in microalgal bioethanol
Sanober Farheen Memon   +5 more
doaj   +1 more source

Integrated optical sensor system for beverage analysis

open access: yes, 1998
Integrated optical transducers for the detection of chemical and biochemical species and for optical measurements on bulk media are the subject of intense research effort. While many such sensors have been demonstrated in research laboratories worldwide,
Luff, B.J.   +5 more
core   +1 more source

Micro-machining Techniques for the Fabrication of Fibre Fabry-Perot Sensors [PDF]

open access: yes, 2006
Fabry-Perot optical fibre sensors have been used extensively for measuring a variety of parameters such as strain, temperature, pressure and vibration. Conventional extrinsic fibre Fabry-Perot sensors are associated with problems such as calibration of ...
Machavaram, V. R.
core   +5 more sources

Design and development of FBG based load cell for weight monitoring of cesium pencil in radiation environment

open access: yesDiscover Sensors
This paper presents the design, analysis and development of a fiber Bragg grating (FBG) based load cell integrated with a titanium transducer for monitoring the weight of Cesium (Cs) pencils in radiation and elevated temperature environment.
G. Yadav   +10 more
doaj   +1 more source

Biphasic Clinical Course of Pediatric Cytomegalovirus‐Associated Immune Thrombocytopenia: Early Poor Treatment Response but Favorable Long‐Term Outcomes

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cytomegalovirus (CMV) is a recognized trigger of immune thrombocytopenia (ITP); however, its incidence and impact on disease course in children remain controversial. Therefore, we aimed to characterize the clinical course of pediatric patients with CMV‐associated ITP.
Oded Gilad   +9 more
wiley   +1 more source

New platforms for chemical, biological and radiation sensing based on emerging micro and nanostructured optical fibres

open access: yes, 2012
Emerging optical materials and structures are driving the development of new optical fibre sensors, with applications ranging from new radiation dosimeters to in-vivo biosensors. Advances in fluorescent based, label-free and nanoscale volume sensors will
Monro, T., Tanya Monro
core   +1 more source

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