A wide temperature tunable fibre laser using a chirped grating and a type IIA fibre Bragg grating
Identifieur interne : 00A964 ( Main/Exploration ); précédent : 00A963; suivant : 00A965A wide temperature tunable fibre laser using a chirped grating and a type IIA fibre Bragg grating
Auteurs : Jharna Mandal [Royaume-Uni] ; Tong Sun [Royaume-Uni] ; Kenneth T V. Grattan [Royaume-Uni] ; Andreas T. Augousti [Royaume-Uni] ; Scott A. Wade [Australie] ; Stephen F. Collins [Australie] ; Gregory W. Baxter [Australie] ; Bernard Dussardier [France] ; Grard Monnom [France]Source :
- Measurement Science and Technology [ 0957-0233 ] ; 2004.
English descriptors
- KwdEn :
- Active gain medium, Aluminium oxide, Ambient temperature, Annealing, Annealing temperature, Annealing time, Bandwidth, Bragg, Bragg grating, Bragg wavelength, Bragg wavelength variation, Cavity length, Centre wavelength, Core diameter, Different strain values, Different temperatures, Exposure time, Fiber lasers, Fwhm bandwidth, Gain medium, Grating, Growth behaviour, Higher ratio, Higher resolution detection system, Laser, Laser action, Laser cavity, Laser diode, Laser energy, Laser gain medium, Laser linewidth, Laser oscillation, Laser sensor, Laser signal, Laser wavelength, Linear sensitivity, Linewidth, Linewidth variation, Mandal, Narrow linewidth, Narrower bandwidth, Narrower linewidth, Negligible decay, Normal type, Operational range, Optical spectrum analyser, Output power, Output spectra, Oven temperature, Passive sensor, Phase mask, Practical applications, Rare earth, Repetition frequency, Resolution bandwidth, Room temperature, Same period, Sensor, Sensor applications, Sensor system, Several cycles, Simultaneous measurement, Square error, Standard deviation, Strain values, Temperature measurement, Temperature range, Temperature sensor, Transmission spectrum, Tube oven, Upper limit, Wavelength, Wavelength band, Wavelength shift, Wide temperature tunable, Wider bandwidth.
- Teeft :
- Active gain medium, Aluminium oxide, Ambient temperature, Annealing, Annealing temperature, Annealing time, Bandwidth, Bragg, Bragg grating, Bragg wavelength, Bragg wavelength variation, Cavity length, Centre wavelength, Core diameter, Different strain values, Different temperatures, Exposure time, Fiber lasers, Fwhm bandwidth, Gain medium, Grating, Growth behaviour, Higher ratio, Higher resolution detection system, Laser, Laser action, Laser cavity, Laser diode, Laser energy, Laser gain medium, Laser linewidth, Laser oscillation, Laser sensor, Laser signal, Laser wavelength, Linear sensitivity, Linewidth, Linewidth variation, Mandal, Narrow linewidth, Narrower bandwidth, Narrower linewidth, Negligible decay, Normal type, Operational range, Optical spectrum analyser, Output power, Output spectra, Oven temperature, Passive sensor, Phase mask, Practical applications, Rare earth, Repetition frequency, Resolution bandwidth, Room temperature, Same period, Sensor, Sensor applications, Sensor system, Several cycles, Simultaneous measurement, Square error, Standard deviation, Strain values, Temperature measurement, Temperature range, Temperature sensor, Transmission spectrum, Tube oven, Upper limit, Wavelength, Wavelength band, Wavelength shift, Wide temperature tunable, Wider bandwidth.
Abstract
A fibre laser sensor has been developed to operate over a wide temperature range from room temperature to 440 C, where the laser cavity has been formed using a combination of a chirped grating and a type IIA fibre Bragg grating (FBG), enclosing a length of erbium doped fibre as the active gain medium. A FBG stabilized 1480 nm laser diode was employed as the pump source to achieve laser oscillation associated with the type IIA Bragg grating wavelength on the wavelength band around 1550 nm. The broadband-chirped grating was used as one of the cavity end reflectors to achieve temperature-tunable laser action for sensing applications over a wide range. The sensitivity of the sensor was found to be 13.94 pm C1 with a root mean square error of 8.85 C. The primary advantage of this laser-based sensor over passive optical fibre sensors is the significant improvement in both the signal-to-noise ratio and the narrow linewidth of the laser signal, making it especially well suited to multiplexing situations.
Url:
DOI: 10.1088/0957-0233/15/6/010
Affiliations:
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Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Active gain medium</term>
<term>Aluminium oxide</term>
<term>Ambient temperature</term>
<term>Annealing</term>
<term>Annealing temperature</term>
<term>Annealing time</term>
<term>Bandwidth</term>
<term>Bragg</term>
<term>Bragg grating</term>
<term>Bragg wavelength</term>
<term>Bragg wavelength variation</term>
<term>Cavity length</term>
<term>Centre wavelength</term>
<term>Core diameter</term>
<term>Different strain values</term>
<term>Different temperatures</term>
<term>Exposure time</term>
<term>Fiber lasers</term>
<term>Fwhm bandwidth</term>
<term>Gain medium</term>
<term>Grating</term>
<term>Growth behaviour</term>
<term>Higher ratio</term>
<term>Higher resolution detection system</term>
<term>Laser</term>
<term>Laser action</term>
<term>Laser cavity</term>
<term>Laser diode</term>
<term>Laser energy</term>
<term>Laser gain medium</term>
<term>Laser linewidth</term>
<term>Laser oscillation</term>
<term>Laser sensor</term>
<term>Laser signal</term>
<term>Laser wavelength</term>
<term>Linear sensitivity</term>
<term>Linewidth</term>
<term>Linewidth variation</term>
<term>Mandal</term>
<term>Narrow linewidth</term>
<term>Narrower bandwidth</term>
<term>Narrower linewidth</term>
<term>Negligible decay</term>
<term>Normal type</term>
<term>Operational range</term>
<term>Optical spectrum analyser</term>
<term>Output power</term>
<term>Output spectra</term>
<term>Oven temperature</term>
<term>Passive sensor</term>
<term>Phase mask</term>
<term>Practical applications</term>
<term>Rare earth</term>
<term>Repetition frequency</term>
<term>Resolution bandwidth</term>
<term>Room temperature</term>
<term>Same period</term>
<term>Sensor</term>
<term>Sensor applications</term>
<term>Sensor system</term>
<term>Several cycles</term>
<term>Simultaneous measurement</term>
<term>Square error</term>
<term>Standard deviation</term>
<term>Strain values</term>
<term>Temperature measurement</term>
<term>Temperature range</term>
<term>Temperature sensor</term>
<term>Transmission spectrum</term>
<term>Tube oven</term>
<term>Upper limit</term>
<term>Wavelength</term>
<term>Wavelength band</term>
<term>Wavelength shift</term>
<term>Wide temperature tunable</term>
<term>Wider bandwidth</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Active gain medium</term>
<term>Aluminium oxide</term>
<term>Ambient temperature</term>
<term>Annealing</term>
<term>Annealing temperature</term>
<term>Annealing time</term>
<term>Bandwidth</term>
<term>Bragg</term>
<term>Bragg grating</term>
<term>Bragg wavelength</term>
<term>Bragg wavelength variation</term>
<term>Cavity length</term>
<term>Centre wavelength</term>
<term>Core diameter</term>
<term>Different strain values</term>
<term>Different temperatures</term>
<term>Exposure time</term>
<term>Fiber lasers</term>
<term>Fwhm bandwidth</term>
<term>Gain medium</term>
<term>Grating</term>
<term>Growth behaviour</term>
<term>Higher ratio</term>
<term>Higher resolution detection system</term>
<term>Laser</term>
<term>Laser action</term>
<term>Laser cavity</term>
<term>Laser diode</term>
<term>Laser energy</term>
<term>Laser gain medium</term>
<term>Laser linewidth</term>
<term>Laser oscillation</term>
<term>Laser sensor</term>
<term>Laser signal</term>
<term>Laser wavelength</term>
<term>Linear sensitivity</term>
<term>Linewidth</term>
<term>Linewidth variation</term>
<term>Mandal</term>
<term>Narrow linewidth</term>
<term>Narrower bandwidth</term>
<term>Narrower linewidth</term>
<term>Negligible decay</term>
<term>Normal type</term>
<term>Operational range</term>
<term>Optical spectrum analyser</term>
<term>Output power</term>
<term>Output spectra</term>
<term>Oven temperature</term>
<term>Passive sensor</term>
<term>Phase mask</term>
<term>Practical applications</term>
<term>Rare earth</term>
<term>Repetition frequency</term>
<term>Resolution bandwidth</term>
<term>Room temperature</term>
<term>Same period</term>
<term>Sensor</term>
<term>Sensor applications</term>
<term>Sensor system</term>
<term>Several cycles</term>
<term>Simultaneous measurement</term>
<term>Square error</term>
<term>Standard deviation</term>
<term>Strain values</term>
<term>Temperature measurement</term>
<term>Temperature range</term>
<term>Temperature sensor</term>
<term>Transmission spectrum</term>
<term>Tube oven</term>
<term>Upper limit</term>
<term>Wavelength</term>
<term>Wavelength band</term>
<term>Wavelength shift</term>
<term>Wide temperature tunable</term>
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<front><div type="abstract">A fibre laser sensor has been developed to operate over a wide temperature range from room temperature to 440 C, where the laser cavity has been formed using a combination of a chirped grating and a type IIA fibre Bragg grating (FBG), enclosing a length of erbium doped fibre as the active gain medium. A FBG stabilized 1480 nm laser diode was employed as the pump source to achieve laser oscillation associated with the type IIA Bragg grating wavelength on the wavelength band around 1550 nm. The broadband-chirped grating was used as one of the cavity end reflectors to achieve temperature-tunable laser action for sensing applications over a wide range. The sensitivity of the sensor was found to be 13.94 pm C1 with a root mean square error of 8.85 C. The primary advantage of this laser-based sensor over passive optical fibre sensors is the significant improvement in both the signal-to-noise ratio and the narrow linewidth of the laser signal, making it especially well suited to multiplexing situations.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
<li>Royaume-Uni</li>
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<tree><country name="Royaume-Uni"><noRegion><name sortKey="Mandal, Jharna" sort="Mandal, Jharna" uniqKey="Mandal J" first="Jharna" last="Mandal">Jharna Mandal</name>
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<name sortKey="Augousti, Andreas T" sort="Augousti, Andreas T" uniqKey="Augousti A" first="Andreas T" last="Augousti">Andreas T. Augousti</name>
<name sortKey="Grattan, Kenneth T V" sort="Grattan, Kenneth T V" uniqKey="Grattan K" first="Kenneth T V" last="Grattan">Kenneth T V. Grattan</name>
<name sortKey="Mandal, Jharna" sort="Mandal, Jharna" uniqKey="Mandal J" first="Jharna" last="Mandal">Jharna Mandal</name>
<name sortKey="Sun, Tong" sort="Sun, Tong" uniqKey="Sun T" first="Tong" last="Sun">Tong Sun</name>
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<country name="Australie"><noRegion><name sortKey="Wade, Scott A" sort="Wade, Scott A" uniqKey="Wade S" first="Scott A" last="Wade">Scott A. Wade</name>
</noRegion>
<name sortKey="Baxter, Gregory W" sort="Baxter, Gregory W" uniqKey="Baxter G" first="Gregory W" last="Baxter">Gregory W. Baxter</name>
<name sortKey="Collins, Stephen F" sort="Collins, Stephen F" uniqKey="Collins S" first="Stephen F" last="Collins">Stephen F. Collins</name>
<name sortKey="Wade, Scott A" sort="Wade, Scott A" uniqKey="Wade S" first="Scott A" last="Wade">Scott A. Wade</name>
</country>
<country name="France"><noRegion><name sortKey="Dussardier, Bernard" sort="Dussardier, Bernard" uniqKey="Dussardier B" first="Bernard" last="Dussardier">Bernard Dussardier</name>
</noRegion>
<name sortKey="Monnom, Grard" sort="Monnom, Grard" uniqKey="Monnom G" first="Grard" last="Monnom">Grard Monnom</name>
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