Results 11 to 20 of about 3,306,172 (262)

Development of sensitive elements based on photochromic bacteriorhodopsin for fibre optic sensors [PDF]

open access: yes, 2007
This work focuses on the development of sensitive elements incorporating bacteriorhodopsin thin films for fibre optic sensors. The sensing principle is based on monitoring optical properties of the bacteriorhodopsin thin films during changes of ...
Korposh, Serhiy O.
core   +6 more sources

Closing Editorial: Editorial Board Members’ Collection Series: Optical Measurements and Sensing Technology [PDF]

open access: yesSensors
This editorial provides closing remarks for the Special Issue on “Optical Measurements and Sensing Technology” published in Sensors [...]
Michele Norgia   +2 more
doaj   +2 more sources

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

Optical fibre sensors - applications and potential [PDF]

open access: yes, 2004
Fibre optic sensors have progressed considerably during the past few years and are now establishing their potential as very real contenders in the environmental, structural monitoring and industrial sensing areas. This paper will explore some examples of
Culshaw, B.
core   +2 more sources

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

Recent Improvement of Medical Optical Fibre Pressure and Temperature Sensors

open access: yesBiosensors, 2015
This investigation describes a detailed analysis of the fabrication and testing of optical fibre pressure and temperature sensors (OFPTS). The optical sensor of this research is based on an extrinsic Fabry–Perot interferometer (EFPI) with integrated ...
Sven Poeggel   +7 more
doaj   +1 more source

Multi-component strain development in superconducting magnet coils monitored using fibre Bragg grating sensors fabricated in highly linearly birefringent fibre [PDF]

open access: yes, 2011
The commissioning of superconducting magnet coils was monitored using embedded optical fibre Bragg grating sensors (FBG) fabricated in highly linearly birefringent (HiBi) fibre.
Adam Johnstone   +15 more
core   +1 more source

An Experimental Study of the Effects of External Physiological Parameters on the Photoplethysmography Signals in the Context of Local Blood Pressure (Hydrostatic Pressure Changes)

open access: yesSensors, 2017
A comprehensive study of the effect of a wide range of controlled human subject motion on Photoplethysmographic signals is reported. The investigation includes testing of two separate groups of 5 and 18 subjects who were asked to undertake set exercises ...
Hongwei Yuan   +5 more
doaj   +1 more source

A multiplexed CW Brillouin system for precise interrogation of a sensor array made from short discrete sections of optical fibre [PDF]

open access: yes, 2008
A novel configuration for precise temperature sensing in an array of optical fibre sections is reported. The sections are chosen to have different Brillouin shifts, to enable separation of scattered light signals in the frequency domain, rather than the ...
Dakin, J. P.   +7 more
core   +2 more sources

Interfacial and durability aspects of extrinsic Fabry-Perot interferometric sensors in carbon fibre composites [PDF]

open access: yes, 2003
This thesis is concerned with the interfacial and durability aspects of Extrinsic Fabry- Perot Interferometric (EFPI) sensors embedded in carbon fibre reinforced composites.
Etches, J A
core   +4 more sources

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