A fibre coupled near-infrared superluminescent light emitting diode that emits similar to 10mW of radiation between 1.62 and 1.7 mu m is employed in combination with a broad-band cavity enhanced spectrometer consisting of a linear optical cavity with mirrors of reflectivity similar to 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) cm(-1) using the dispersive spectrometer in combination with phase-sensitive detection, and 1.5 x 10(-8) cm(-1) using the Fourier transform interferometer (expressed as a minimum detectable absorption coefficient) over several minutes of acquisition time.
%0 Journal Article
%1 Denzer:2009p3426
%A Denzer, W
%A Hamilton, M. L
%A Hancock, G
%A Islam, M
%A Langley, C. E
%A Peverall, R
%A Ritchie, G. A. D
%D 2009
%J Analyst
%K 1,3-Butadiene Acetone, Blood, Gas, Isoprene, Radiation, Supercontinuum
%N 11
%P 2220--2223
%R 10.1039/b916807a
%T Near-infrared broad-band cavity enhanced absorption spectroscopy using a superluminescent light emitting diode
%U http://www.rsc.org/publishing/journals/AN/article.asp?doi=b916807a
%V 134
%X A fibre coupled near-infrared superluminescent light emitting diode that emits similar to 10mW of radiation between 1.62 and 1.7 mu m is employed in combination with a broad-band cavity enhanced spectrometer consisting of a linear optical cavity with mirrors of reflectivity similar to 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) cm(-1) using the dispersive spectrometer in combination with phase-sensitive detection, and 1.5 x 10(-8) cm(-1) using the Fourier transform interferometer (expressed as a minimum detectable absorption coefficient) over several minutes of acquisition time.
@article{Denzer:2009p3426,
abstract = {A fibre coupled near-infrared superluminescent light emitting diode that emits similar to 10mW of radiation between 1.62 and 1.7 mu m is employed in combination with a broad-band cavity enhanced spectrometer consisting of a linear optical cavity with mirrors of reflectivity similar to 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) cm(-1) using the dispersive spectrometer in combination with phase-sensitive detection, and 1.5 x 10(-8) cm(-1) using the Fourier transform interferometer (expressed as a minimum detectable absorption coefficient) over several minutes of acquisition time.},
added-at = {2010-06-22T19:38:37.000+0200},
affiliation = {Univ Oxford, Dept Chem, Phys {\&} Theoret Chem Lab, Oxford OX1 3QZ, England},
author = {Denzer, W and Hamilton, M. L and Hancock, G and Islam, M and Langley, C. E and Peverall, R and Ritchie, G. A. D},
biburl = {https://www.bibsonomy.org/bibtex/2151dfcee895c57cff379b985d4d30b02/gsmith},
date-added = {2010-05-05 15:20:20 -0400},
date-modified = {2010-05-05 15:20:27 -0400},
doi = {10.1039/b916807a},
interhash = {535ee4339b5b0bba66d05e35f50aecc9},
intrahash = {151dfcee895c57cff379b985d4d30b02},
journal = {Analyst},
keywords = {1,3-Butadiene Acetone, Blood, Gas, Isoprene, Radiation, Supercontinuum},
language = {English},
local-url = {file://localhost/Users/geoffreysmith/Documents/Papers/Analyst/2009/Analyst,%20134,%202220-2223%202009.pdf},
month = Jan,
number = 11,
pages = {2220--2223},
pmid = {000270941900005},
rating = {0},
timestamp = {2010-06-22T19:38:45.000+0200},
title = {Near-infrared broad-band cavity enhanced absorption spectroscopy using a superluminescent light emitting diode},
uri = {papers://E88B624E-D406-46FF-9D95-BB9C1AAE3FDC/Paper/p3426},
url = {http://www.rsc.org/publishing/journals/AN/article.asp?doi=b916807a},
volume = 134,
year = 2009
}