ThuliumV1, Main, Merge, bibRecord, 000B91

Atmospheric gas detection using broadband mid-IR thulium fiber-based sources

Identifieur interne : 000B91 ( Main/Merge ); précédent : 000B90; suivant : 000B92

Atmospheric gas detection using broadband mid-IR thulium fiber-based sources

Auteurs : Pankaj Kadwani [États-Unis] ; Robert A. Sims [États-Unis] ; Jeffrey Chia [États-Unis] ; Falah Altal [Émirats arabes unis] ; Lawrence Shah [États-Unis] ; Martin C. Richardson [États-Unis]

Source :

Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2011.

RBID : Pascal:12-0011743

Descripteurs français

Pascal (Inist)
- Amplificateur optique, Elément optique, Application laser, Rayonnement IR moyen, Densité spectrale, Thulium, Application militaire, CO2, 0130C, 4262, 8920D, 4260D, Amplificateur Raman.

English descriptors

KwdEn :
- Laser beam applications, Mid infrared radiation, Military application, Optical amplifier, Optical elements, Raman amplifier, Spectral density, Thulium.

Abstract

We present a Tm:fiber based broadband ASE source which was used for atmospheric CO₂ detection. The average spectral power of this source was limited to ∼6.1 μW/nm which was the main limitation in detection of trace concentrations of gases. This shortcoming was overcome by using an ultrashort pulsed Raman amplifier system with maximum of ∼127 μW/nm of spectral power density which was able to provide sensitivity better than 300 ppm for CO₂. In addition, improving the average power of the ASE provided an essential tool in lab to characterize optical elements with sharp spectral features around 2 μm.

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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Atmospheric gas detection using broadband mid-IR thulium fiber-based sources</title>
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<term>Spectral density</term>
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<term>Densité spectrale</term>
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<term>Application militaire</term>
<term>CO2</term>
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<front><div type="abstract" xml:lang="en">We present a Tm:fiber based broadband ASE source which was used for atmospheric CO<sub>2</sub>
 detection. The average spectral power of this source was limited to ∼6.1 μW/nm which was the main limitation in detection of trace concentrations of gases. This shortcoming was overcome by using an ultrashort pulsed Raman amplifier system with maximum of ∼127 μW/nm of spectral power density which was able to provide sensitivity better than 300 ppm for CO<sub>2</sub>
. In addition, improving the average power of the ASE provided an essential tool in lab to characterize optical elements with sharp spectral features around 2 μm.</div>
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Atmospheric gas detection using broadband mid-IR thulium fiber-based sources

Atmospheric gas detection using broadband mid-IR thulium fiber-based sources

Source :

Descripteurs français

English descriptors

Abstract

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Le document en format XML

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