Detection of propane using tunable diode laser spectroscopy at 3.37 μm

被引：0

作者：

P. Kluczynski

S. Lundqvist

S. Belahsene

Y. Rouillard

L. Nähle

M. Fischer

J. Koeth

机构：

[1] Airoptic Sp. z.o.o.,Institut d’Electronique du Sud

[2] Siemens AB,undefined

[3] IIA SLA R&D,undefined

[4] Université Montpellier 2,undefined

[5] Nanoplus GmbH,undefined

来源：

Applied Physics B | 2012年 / 108卷

关键词：

GaSb; Minimum Detectable Concentration; Wavelength Modulation Spectroscopy; Tunable Diode Laser Spectroscopy; Wavelength Modulation Spectroscopy Signal;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We report Tunable Diode Laser Spectroscopy measurements of propane using a recently developed 3.37 μm GaInAsSb/AlGaInAsSb DFB laser. We have demonstrated that Wavelength Modulation Spectroscopy can be utilized to enhance a sharp feature in the broader propane spectrum around 3370.4 nm. A minimum detectable concentration of 30 ppb×m was obtained at a response time of 0.5 s. This corresponded to a minimum detectable absorption of 8 × 10−5 which is why an improvement of the sensitivity by an order of magnitude is possible using this laser and a more optimized optical setup.

引用

页码：183 / 188

页数：5

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