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@ARTICLE{Min:811843,
author = {Min, K.-E. and Washenfelder, R. A. and Dubé, W. P. and
Langford, A. O. and Edwards, P. M. and Zarzana, K. J. and
Stutz, J. and Lu, Keding and Rohrer, F. and Zhang, Y. and
Brown, S. S.},
title = {{A} broadband cavity enhanced absorption spectrometer for
aircraft measurements of glyoxal, methylglyoxal, nitrous
acid, nitrogen dioxide, and water vapor},
journal = {Atmospheric measurement techniques},
volume = {9},
number = {2},
issn = {1867-8548},
address = {Katlenburg-Lindau},
publisher = {Copernicus},
reportid = {FZJ-2016-04188},
pages = {423 - 440},
year = {2016},
abstract = {We describe a two-channel broadband cavity enhanced
absorption spectrometer (BBCEAS) for aircraft measurements
of glyoxal (CHOCHO), methylglyoxal (CH3COCHO), nitrous acid
(HONO), nitrogen dioxide (NO2), and water (H2O). The
instrument spans 361–389 and 438–468 nm, using two
light-emitting diodes (LEDs) and a single grating
spectrometer with a charge-coupled device (CCD) detector.
Robust performance is achieved using a custom optical
mounting system, high-power LEDs with electronic on/off
modulation, high-reflectivity cavity mirrors, and materials
that minimize analyte surface losses. We have successfully
deployed this instrument during two aircraft and two
ground-based field campaigns to date. The demonstrated
precision (2σ) for retrievals of CHOCHO, HONO and NO2 are
34, 350, and 80 parts per trillion (pptv) in 5 s. The
accuracy is 5.8, 9.0, and 5.0 $\%,$ limited mainly by the
available absorption cross sections.},
cin = {IEK-8},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {243 - Tropospheric trace substances and their
transformation processes (POF3-243)},
pid = {G:(DE-HGF)POF3-243},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000375612000007},
doi = {10.5194/amt-9-423-2016},
url = {https://juser.fz-juelich.de/record/811843},
}