Principle of the Measurement
Broadband Cavity Enhanced Spectroscopy
Species Measured
Aerosol extinction and complex refractive indices in the visible and ultraviolet spectral region (360 - 750 nm)
Time Response / Detection Limit
1 minute / 0.2 Mm-1
Field Projects
Key Publications
Washenfelder, R. A., A. R. Attwood, C. A. Brock, H. Guo, L. Xu, R. J. Weber, N. L. Ng, H. M. Allen, B. R. Ayres, K. Baumann, R. C. Cohen, D. C. Draper, K. C. Duffey, E. Edgerton, J. L. Fry, W. W. Hu, J. L. Jimenez, B. B. Palm, P. Romer, E. A. Stone, P. J. Wooldridge, and S. S. Brown, Biomass burning dominates brown carbon absorption in the rural southeastern United States, Geophys. Res. Lett., doi:10.1002/2014GL062444, 2015.
A. R. Attwood, A. R., R. A. Washenfelder, C. A. Brock, W. Hu, K. Baumann, P. Campuzano-Jost, D. A. Day, E. S. Edgerton, D. M. Murphy, B. B. Palm, A. McComiskey, N. L. Wagner, S. S. de Sa, A. Ortega, S. T. Martin, J. L. Jimenez, and S. S. Brown, Trends in sulfate and organic aerosol mass in the Southeast U.S.: Impact on aerosol optical depth and radiative forcing, Geophys. Res. Lett., doi:10.1002/2014GL061669, 2014.
Washenfelder, R. A., J. M. Flores, C. A. Brock, S. S. Brown, and Y. Rudich, Broadband measurements of aerosol extinction in the ultraviolet spectral region, Atm. Meas. Tech., doi: 10.5194/amt-6-861-2013, 2013.
Washenfelder, R. A., A. O. Langford, H. Fuchs, and S. S. Brown, Measurement of glyoxal using an incoherent broadband cavity enhanced absorption spectrometer, Atmos. Chem. Phys., doi:10.5194/acpd-8-16517-2008, 2008.