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Broadband cavity-enhanced absorption spectroscopy for real time, in situ spectral analysis of microfluidic droplets.

Abstract:

Broadband cavity-enhanced absorption spectroscopy has been used to record, in real time, the absorption spectrum of microlitre volume aqueous phase droplets within a microfluidic chip assembly. Using supercontinuum radiation and broadband coated external mirrors, the full visible spectrum (430 nm < λ < 700 nm) of each passing droplet is acquired in situ at high repetition rates (273 Hz/3.66 ms acquisition time) and high sensitivity (α(min) < 10(-2) cm(-1)). The possibilities for furt...

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Publication status:
Published

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Publisher copy:
10.1039/c1lc20854c

Authors


More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
Lab on a chip
Volume:
11
Issue:
23
Pages:
3953-3955
Publication date:
2011-12-05
DOI:
EISSN:
1473-0189
ISSN:
1473-0197
URN:
uuid:83120805-2caa-40a8-8ea4-e35e1e44ed08
Source identifiers:
193392
Local pid:
pubs:193392
Language:
English

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