Fiber-optic systems for temperature and vibration measurements in industrial applications

Ovrén, C.; Adolfsson, Markus; Hök, Bertil

doi:10.1016/0143-8166(84)90008-3

Cited by 37 publications

(9 citation statements)

References 3 publications

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“…Because of the many applications, fibre-optic thermometers have been widely proposed, either using all-fibre mechanisms (Brenci et al, 1986) and transducers undergoing intensity (Domanski et al, 1990) or wavelength modulation (Ovren et al, 1984;Kist et al, 1984). The use of conventional temperature sensors (thermocouple or thermistors) can both perturb the incident electromagnetic field and can also lead to localized heating spots or sensing errors.…”

Section: Temperature Sensorsmentioning

confidence: 99%

Optical fibres and sensors for biomedical applications

Ding

Brambilla

2015

Biophotonics for Medical Applications

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Section: Temperature Sensorsmentioning

confidence: 99%

Optical fibres and sensors for biomedical applications

Ding

Brambilla

2015

Biophotonics for Medical Applications

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“…The system set-up is shown in Figure 6. Ovren et al (1983) have developed a similar set up to the Luxtron temperature sensor, which is called the ASEA model 1010, shown in Figure 7. This sensing system is currently being distributed by Takaoka Electric Manufacturing Company Ltd[4] from Japan.…”

Section: Emission Lines Intensity Ratiomentioning

confidence: 99%

“…Fellay et al (2002) demonstrate the variation of the sound velocity in a single-mode fibre at low temperatures. The sound velocity V is proportional to the Brillouin Luxtron model (Wickersheim and Sun, 1987) Figure 7 ASEA 1010 model (Ovren et al, 1983) Figure 9 Wavelength shift of ruby (Seat and Sharp, 2004) Figure 8 Schematic of probe with Ruby crystal frequency shift. Results demonstrate an absolute minimum Brillouin frequency shift at around 60 K. Thevenaz et al (2003) have recently developed an optical fibre temperature sensor to measure temperature from 1 to 1,000 K. Experiments consist of data collected from different fibres under various test conditions from an oven to liquid nitrogen as the data could not be collected from one particular experiment due to the broad temperature range.…”

Section: Brillouin Scatteringmentioning

confidence: 99%

Review of luminescent based fibre optic temperature sensors

2005

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Article information:To cite this document: M. McSherry, C. Fitzpatrick, E. Lewis, (2005),"Review of luminescent based fibre optic temperature sensors", Sensor Review, Vol. 25 Iss: 1 pp. 56 -62 Permanent link to this document: http://dx. Access to this document was granted through an Emerald subscription provided by UNIVERSITY OF WISCONSIN MADISON For Authors:If you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service. Information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/authors for more information. About Emerald www.emeraldinsight.comWith over forty years' experience, Emerald Group Publishing is a leading independent publisher of global research with impact in business, society, public policy and education. In total, Emerald publishes over 275 journals and more than 130 book series, as well as an extensive range of online products and services. Emerald is both COUNTER 3 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -There are various temperature measuring systems presented in the literature and on the market today. Over the past number of years a range of luminescent-based optical fibre sensors have been reported and developed which include fluorescence and optical scattering. These temperature sensors incorporate materials that emit wavelength shifted light when excited by an optical source. The majority of commercially available systems are based on fluorescent properties. Design/methodology/approach -Many published journal articles and conference papers were investigated and existing temperature sensors in the market were examined. Findings -In optical thermometry, the light is used to carry temperature information. In many cases optical fibres are used to transmit and receive this light. Optical fibres are immune to electromagnetic interference and are small in size, which allows them to make very localized measurements. A temperature sensitive material forms a sensor and the subsequent optical data are transmitted via optical fibres to electronic detection systems. Two keys areas were investigated namely fluorescence based temperature sensors and temperature sensors involving optical scattering. Originality/value -An overview of optical fibre temperature sensors based on luminescence is presented. This review provides a summary of optical temperature sensors, old and new which exist in today's world of sensing.

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“…By measuring the intensities of the two lines originating from different excited states, the system derives the temperature from the ratio of the line intensities observed. In another early fluorescence thermometer system [34], the sensor is a small crystal of gallium arsenide sandwiched between gallium aluminium arsenide layers. The sensor is caused to luminesce by radiation from a gallium arsenide light-emitting diode (LED).…”

Section: Fluorescence-based Oftmentioning

confidence: 99%