@article{
 title = {A broadband cavity enhanced absorption spectrometer for aircraft measurements of glyoxal, methylglyoxal, nitrous acid, nitrogen dioxide, and water vapor},
 type = {article},
 year = {2016},
 identifiers = {[object Object]},
 pages = {423-440},
 volume = {9},
 websites = {http://www.atmos-meas-tech.net/9/423/2016/},
 month = {2},
 day = {11},
 id = {7326dd41-3a9b-3ecf-9dc4-d1d7c00069d6},
 created = {2016-02-16T17:17:13.000Z},
 file_attached = {true},
 profile_id = {20dfd46a-aca3-3bc6-a8b4-f2c5cd8fb12d},
 group_id = {63e349d6-2c70-3938-9e67-2f6483f6cbab},
 last_modified = {2016-02-16T17:44:06.000Z},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 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.},
 bibtype = {article},
 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, K. and Rohrer, F. and Zhang, Y. and Brown, S. S.},
 journal = {Atmospheric Measurement Techniques},
 number = {2}
}

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