optical fibre temperature sensors
MEASUREMENT OF WINDOW GLASS TEMPERATURE WITH A FLUORESCENCE INTENSITY RATIO OPTICAL FIBRE SENSOR
... for optical fibre temperature sensors in fire research, especially if the system is low in cost and capable of multiplexed ...doped fibre probe would additionally improve the ...
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Optical fibre high temperature sensors and their applications
... utilising fibre Bragg gratings have been studied and developed by many ...fused fibre splitter in conjunction with a fibre grating transmission filter in each of the output ...The fibre ...
236
Hybrid optical-fibre/geopolymer sensors for structural health monitoring of concrete structures
... While fibre optic sensors have been encapsulated in geopolymers before [13], in this work, the geopolymer substrate is functionalised so that it can also act as a secondary electronic ...
9
A novel wireless mobile platform integrated with optical fibre sensors
... the optical fibre sensor module consisting of a SLED light source (1550nm, Dense Light), a circulator (4 ports, JDS Fitel), an InGaAs photodiode (Thorlabs) and two fibre Bragg gratings (FBGs) with ...
6
Bridge pier scour measurement by means of Bragg grating arrays
... every fibre can be equipped with many sensing ...of sensors. On the other hand, when traditional temperature sensors are adopted, one acquisition channel must be dedicated to each ...of ...
7
Optical fibre sensors: their role in in vivo dosimetry for prostate cancer radiotherapy
... of optical fibre based methods of dosimetry for radiation monitoring in prostate cancer ...first optical fibre dosimeter for radiotherapy applications to reach the market, the Exradin W1, ...
16
Identifying fabrication defects of metal packaged fibre Bragg grating sensors for smart pre-stressing strands
... the fibre-capillary joint either being exposed to high temperature for too long; or conversely for too short a ...coated fibre is exposed to high temperature for a prolonged period, the molten ...
5
Distributed optical fibre sensors based on the coherent detection of spontaneous Brillouin scattering
... distributed temperature and strain sensors, based on spatially resolving the frequency and power of the spontaneous backscattered anti-Stokes Brillouin signal along the sensing length, MI effect is ...
184
Preparation of novel optical fibre-based Cocaine sensors using a molecular imprinted polymer approach
... Tong Sun was awarded the degrees of Bachelor of Engineering, Master of Engi- neering and Doctor of Engineering for work in mechanical engineering from the Department of Precision Instrumentation of Harbin Institute of ...
8
Optical Fibre Sensors applied to condition and structural monitoring for the marine and rail transport sectors
... distributed temperature sensor was pioneered in mid-1980s by Dakin et al [99] and soon after developed into a commercial instrument by several ...of optical power in 15ns pulses was launched into a sensing ...
148
Investigation of metal nanomaterials as a sensing element in LSPR-based optical fibre sensor development
... LSPR sensors was often carried by measuring the change in absorbance at a peak wavelength when the probe was submerged in different RI ...reported sensors was too small to be detected by the ...coating ...
182
Effects of high temperature and pressure on silica optical fibres and the implications on optical fibre sensors
... Removing the effects of the side hole fibre geometry from the investigation, the high temperature instabilities have been further investigated using Hi Bi fibre pressure sensors, fibre b[r] ...
5
Optical fibre sensors - applications and potential
... information. Temperature measurements capable of resolving 1°C or better over convolution windows of the order of 1 metre in length can be relatively routinely ...Raman sensors now find application in long ...
11
Effects of high temperature and pressure on silica optical fibre sensors
... long sensors at temperatures of 200 and 300 C, where B water has been used as the pressure ...of temperature on the drift is very noticeable and increasing temperature has a disproportionate effect ...
5
Advanced fibre circuitry for all optical signal processing
... The erasure hole width (time window) increases monotonically as the DSF fibre length was increased from 25 m to 300 m (Fig. 6.8b). Figure 6.8a shows examples of the holes erased in the cw signal for DSF lengths of ...
158
Optical fibre couplers
... apex fibre plays little part in the power transfer, and power is mainly swapped between the base fibres ...apex fibre always varies sinusoidally on only one length scale, since the odd mode amplitude is ...
266
Application of Optical Sensors
... cause optical saturation, characterized by the storage of excess amounts of charge carriers in the base region, rise time equals fall ...If optical saturation occurs, fall time can become much larger than ...
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An Experimental Study On Lightemitting Concrete Kavya S, II Karthik D, III Sivaraja M PG Student, II Assistant Professor, III Prof & Principal
... and optical fibre concrete the deflection of optical fibre concrete is comparatively less to that of conventional concrete in terms of increase in load of ...
5
FireSting pro FIBER-OPTIC MULTI-ANALYTE METER USER MANUAL
... external temperature sensor (item ...an optical temperature sensor (see 5) to one of the optical sensor connectors 1 to 4 for automatic temperature ...
13
A Survey on Optical Fiber Sensors for Telemedicine Applications
... with optical fiber sensor were introduced, and they included two techniques of using optical fiber sensors with monitoring and treating patients remotely through the ...operation. Optical ...
5