Atmospheric absorption spectroscopy using Tm: fiber sources around 2 microns
Identifieur interne : 000B84 ( Main/Exploration ); précédent : 000B83; suivant : 000B85Atmospheric absorption spectroscopy using Tm: fiber sources around 2 microns
Auteurs : Pankaj Kadwani [États-Unis] ; Jeffrey Chia [États-Unis] ; Falah Altal [Papouasie-Nouvelle-Guinée] ; Robert A. Sims [États-Unis] ; Christina Willis [États-Unis] ; Lawrence Shah [États-Unis] ; Dennis Killinger [États-Unis] ; Martin C. Richardson [États-Unis]Source :
- Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2011.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
We report on a thulium doped silica fiber ASE source for absorption spectroscopy of CO2. The average spectral power of this source was 2.3-6.1 μW/nm. This low spectral power of this source posed limitation in the sensitivity of the system which was overcome by using an ultrashort pulsed Raman amplifier system with 50-125 μW/nm average spectral power. This system produced CO2 sensitivity better than 300 ppm making measurement of CO2 possible at standard atmospheric concentrations.
Affiliations:
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectroscopy</term>
<term>Atmospheric optics</term>
<term>Electromagnetic wave propagation</term>
<term>Measuring methods</term>
<term>Optical amplifier</term>
<term>Optical fibers</term>
<term>Raman amplifier</term>
<term>Silica</term>
<term>Thulium additions</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Propagation onde électromagnétique</term>
<term>Amplificateur optique</term>
<term>Spectrométrie absorption</term>
<term>Méthode mesure</term>
<term>Fibre optique</term>
<term>Silice</term>
<term>Addition thulium</term>
<term>Optique atmosphérique</term>
<term>CO2</term>
<term>0130C</term>
<term>4268A</term>
<term>4225B</term>
<term>4260D</term>
<term>Amplificateur Raman</term>
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<front><div type="abstract" xml:lang="en">We report on a thulium doped silica fiber ASE source for absorption spectroscopy of CO2. The average spectral power of this source was 2.3-6.1 μW/nm. This low spectral power of this source posed limitation in the sensitivity of the system which was overcome by using an ultrashort pulsed Raman amplifier system with 50-125 μW/nm average spectral power. This system produced CO2 sensitivity better than 300 ppm making measurement of CO2 possible at standard atmospheric concentrations.</div>
</front>
</TEI>
<affiliations><list><country><li>Papouasie-Nouvelle-Guinée</li>
<li>États-Unis</li>
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<orgName><li>Université de Floride du Sud</li>
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<tree><country name="États-Unis"><noRegion><name sortKey="Kadwani, Pankaj" sort="Kadwani, Pankaj" uniqKey="Kadwani P" first="Pankaj" last="Kadwani">Pankaj Kadwani</name>
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<name sortKey="Chia, Jeffrey" sort="Chia, Jeffrey" uniqKey="Chia J" first="Jeffrey" last="Chia">Jeffrey Chia</name>
<name sortKey="Killinger, Dennis" sort="Killinger, Dennis" uniqKey="Killinger D" first="Dennis" last="Killinger">Dennis Killinger</name>
<name sortKey="Richardson, Martin C" sort="Richardson, Martin C" uniqKey="Richardson M" first="Martin C." last="Richardson">Martin C. Richardson</name>
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<name sortKey="Sims, Robert A" sort="Sims, Robert A" uniqKey="Sims R" first="Robert A." last="Sims">Robert A. Sims</name>
<name sortKey="Willis, Christina" sort="Willis, Christina" uniqKey="Willis C" first="Christina" last="Willis">Christina Willis</name>
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<country name="Papouasie-Nouvelle-Guinée"><noRegion><name sortKey="Altal, Falah" sort="Altal, Falah" uniqKey="Altal F" first="Falah" last="Altal">Falah Altal</name>
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