Simultaneous analog and photon counting detection for Raman lidar Export

@article{citeulike:5075466, abstract = {The Atmospheric Radiation Measurement program Raman lidar was upgraded in 2004 with a new data system that provides simultaneous measurements of both the photomultiplier analog output voltage and photon counts. We describe recent improvements to the algorithm used to merge these two signals into a single signal with improved dynamic range. The effect of modifications to the algorithm are evaluated by comparing profiles of water vapor mixing ratio from the lidar with radiosonde measurements over a six month period. The modifications that were implemented resulted in a reduction of the mean bias in the daytime water vapor mixing ratio from a 3\% dry bias to well within 1\%. This improvement was obtained by ignoring the temporal variation of the glue coefficients and using only the nighttime average glue coefficients throughout the entire diurnal cycle.}, author = {Newsom, Rob K. and Turner, David D. and Mielke, Bernd and Clayton, Marian and Ferrare, Richard and Sivaraman, Chitra}, citeulike-article-id = {5075466}, citeulike-linkout-0 = {http://dx.doi.org/10.1364/AO.48.003903}, citeulike-linkout-1 = {http://www.opticsinfobase.org/abstract.cfm?id=183299}, day = {10}, doi = {10.1364/AO.48.003903}, journal = {Appl. Opt.}, keywords = {calibration, detection, error, lidar, photon\_counting, raman, signal}, month = {July}, number = {20}, pages = {3903--3914}, posted-at = {2009-07-06 15:09:16}, priority = {2}, publisher = {OSA}, title = {Simultaneous analog and photon counting detection for Raman lidar}, url = {http://dx.doi.org/10.1364/AO.48.003903}, volume = {48}, year = {2009} }

TY - JOUR ID - citeulike:5075466 L3 - citeulike-article-id:5075466 N2 - The Atmospheric Radiation Measurement program Raman lidar was upgraded in 2004 with a new data system that provides simultaneous measurements of both the photomultiplier analog output voltage and photon counts. We describe recent improvements to the algorithm used to merge these two signals into a single signal with improved dynamic range. The effect of modifications to the algorithm are evaluated by comparing profiles of water vapor mixing ratio from the lidar with radiosonde measurements over a six month period. The modifications that were implemented resulted in a reduction of the mean bias in the daytime water vapor mixing ratio from a 3% dry bias to well within 1%. This improvement was obtained by ignoring the temporal variation of the glue coefficients and using only the nighttime average glue coefficients throughout the entire diurnal cycle. IS - 20 JF - Appl. Opt. EP - 3914 TI - Simultaneous analog and photon counting detection for Raman lidar PB - OSA VL - 48 SP - 3903 KW - calibration KW - detection KW - error KW - lidar KW - photon_counting KW - raman KW - signal AU - Newsom, Rob AU - Turner, David AU - Mielke, Bernd AU - Clayton, Marian AU - Ferrare, Richard AU - Sivaraman, Chitra PY - 2009/07/10/ UR - http://dx.doi.org/10.1364/AO.48.003903 ER -