Compact ground-based UV DIAL system for measurements of tropospheric ozone

J. Thomas Zenker; Thomas H. Chyba; Christophe L. McCray; Hyung R. Lee; Roosevelt Elivert; Brandi Thomas; Crystal Toppin; Dave Larson; N. Scott Higdon; Dale A. Richter; Jack Fishman

doi:10.1117/12.351374

28 May 1999 Compact ground-based UV DIAL system for measurements of tropospheric ozone

J. Thomas Zenker, Thomas H. Chyba, Christophe L. McCray, Hyung R. Lee, Roosevelt Elivert, Brandi Thomas, Crystal Toppin, Dave Larson, N. Scott Higdon, Dale A. Richter, Jack Fishman

Author Affiliations +

Proceedings Volume 3707, Laser Radar Technology and Applications IV; (1999) https://doi.org/10.1117/12.351374
Event: AeroSense '99, 1999, Orlando, FL, United States

Abstract

The development of a portable, eye-safe, ground-based ozone lidar instrument specialized for ozone differential absorption lidar (DIAL) measurements in the troposphere is presented. This compact prototype instrument is intended to operate at remote field sites and to serve as the basic unit for future monitoring projects requiring multi-instrument networks. In order for the lidar technology to be widely deployed in networks, it must be fairly easy to use and maintain as well as being cost-competitive with a ground station launching ozone sondes several times a week. The chosen laser transmitter for the system is an all-solid state tunable frequency-doubled OPO which produces 25 mJ uv pulses. Progress with alternative solid-state uv laser sources based upon an IR-pumped OPO and based upon stimulated Raman scattering in barium nitrate will be discussed. The receiver incorporates highly efficient dielectric coatings, a parabolic primary and a narrow- bandpass grating-based filter. Dual analog and photon-counting detector channels are incorporated to extend the measurement range. All data acquisition and control hardware is incorporated in an industrial PC-based system. A flexible, user-friendly graphical user interface is written in LabVIEW for data acquisition and online processing and display.

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J. Thomas Zenker, Thomas H. Chyba, Christophe L. McCray, Hyung R. Lee, Roosevelt Elivert, Brandi Thomas, Crystal Toppin, Dave Larson, N. Scott Higdon, Dale A. Richter, and Jack Fishman "Compact ground-based UV DIAL system for measurements of tropospheric ozone", Proc. SPIE 3707, Laser Radar Technology and Applications IV, (28 May 1999); https://doi.org/10.1117/12.351374

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