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Near-infrared broad-band cavity enhanced absorption spectroscopy using a superluminescent light emitting diode.

Abstract:

A fibre coupled near-infrared superluminescent light emitting diode that emits approximately 10 mW of radiation between 1.62 and 1.7 microm is employed in combination with a broad-band cavity enhanced spectrometer consisting of a linear optical cavity with mirrors of reflectivity approximately 99.98% and either a dispersive near-infrared spectrometer or a Fourier transform interferometer. Results are presented on the absorption of 1,3-butadiene, and sensitivities are achieved of 6.1 x 10(-8) ...

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Publication status:
Published

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Publisher copy:
10.1039/b916807a

Authors


Hamilton, ML More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Langley, CE More by this author
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Journal:
The Analyst
Volume:
134
Issue:
11
Pages:
2220-2223
Publication date:
2009-11-05
DOI:
EISSN:
1364-5528
ISSN:
0003-2654
URN:
uuid:cf1d1676-e17f-474b-8571-4f20275c9763
Source identifiers:
34938
Local pid:
pubs:34938

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