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Photoacoustic CO2sensor based on a DFB diode laser at 2.7 μm

✍ Scribed by M. Wolff; M. Germer; H. G. Groninga; H. Harde


Book ID
111633340
Publisher
Springer-Verlag
Year
2008
Tongue
English
Weight
353 KB
Volume
153
Category
Article
ISSN
1951-6355

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Using wavelength-modulation spectroscopy and harmonic detection, we demonstrate, for the first time, direct optical detection of H2S by probing the vt + v 2 + v 3 combination absorption band centred at a wavelength 2 = 1.59 gm using a distributed feedback (DFB) laser diode. A detection limit of less