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Top notch design for fiber-loop cavity ring-down spectroscopy.

Abstract:

Fiber-loop cavity ring-down spectroscopy (CRDS) is a highly sensitive spectroscopic absorption technique which has shown considerable promise for the analysis of small-volume liquid samples. We have developed a new light coupling method for fiber-loop CRDS, which overcomes two disadvantages of the technique: low efficiency light coupling into the cavity and high loss per pass. The coupler is based on a 45° reflective notch polished between 10 and 30 μm into the core of a large-core-diameter (...

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Publication status:
Published

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Publisher copy:
10.1021/ac201775f

Authors


Rushworth, CM More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Journal:
Analytical chemistry
Volume:
83
Issue:
22
Pages:
8492-8500
Publication date:
2011-11-05
DOI:
EISSN:
1520-6882
ISSN:
0003-2700
URN:
uuid:8826e776-cc81-46e0-a8cd-796dc39de884
Source identifiers:
198735
Local pid:
pubs:198735
Language:
English
Keywords:

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