RESEARCH ASSOCIATES: Scott M. Spuler, Bruce M. Morley

MAILING ADDRESS: P.O. Box 3000, Boulder, CO 80307-3000

TELEPHONE NUMBER: 303-497-2037

FAX NUMBER: 303-497-2044

E-MAIL ADDRESS: shane@ucar.edu

WEB SITE: http://www.eol.ucar.edu/homes/shane/index.html

DATE: June 2008

LIDAR LOCATION: Boulder, Colorado

SITE ELEVATION: 1608 meters

PARAMETER(S) OR CONSTITUENT(S) MEASURED: aerosol backscatter and depolarization ratio at 1.54 microns

RESEARCH OBJECTIVES AND SPONSOR: National Science Foundation (NSF)

MEASUREMENT TECHNIQUE:

Raman-shifted Eye-safe Aerosol Lidar (REAL)
Website: www.lidar.ucar.edu

MEASUREMENT RANGE: 500 m to 10 km with scanning by full-hemispherical beam-steering unit.

VERTICAL RESOLUTION: 1.5 meters

FREQ. OF MEASUREMENT (TYPICALLY): Field campaigns, typically 1-4 times per year

MEASUREMENT TIMES (TYPICALLY): Daytime, as necessary for development work in Boulder. Otherwise, during field deployments.

LASER TYPE AND WAVELENGTH (s): 1.54 microns

LASER ENERGY/PULSE: 200 mJ

PULSE REPETITION RATE: 10 – 50 Hz

RECEIVER SIZE AND CONFIGURATION: 16” Newtonian

DETECTORS USED: InGaAs APD

SIGNAL PROCESSING: none

ANALOG-T0-DIGITAL CONVERTER: 16 bits, 100 MSPS

COMPUTER: Dell Windows XP, Labview

PLATFORM: ground-based 48-foot air-ride trailer and seatainers

PUBLICATIONS:

Mayor, S. D., S. M. Spuler, B. M. Morley, E. Loew, 2007: Polarization lidar at 1.54-microns and observations of plumes from aerosol generators. Optical Engineering, In press. (To appear in Aug 2007 issue.)

Spuler, S. M. and S. D. Mayor, 2007: Raman shifter optimized for lidar at 1.5-micron wavelength, Appl. Optics, 46, 2990-2995.

Spuler, S. M. and S. D. Mayor, 2005: Scanning Eye-safe Elastic Backscatter Lidar at 1.54 microns, J. Atmos. Ocean. Technol., 22, 696-703.

Mayor, S. D. and S. M. Spuler, 2004: Raman-shifted Eye-safe Aerosol Lidar, Appl. Optics, 43, 3915-3924.

Warner, T., P. Benda, S. Swerdlin, J. Knievel, E. Argenta, B. Aronian, B. Balsley, J. Bowers, R. Carter, P. A. Clark, K. Clawson, J. Copeland, A. Crook, R. Frehlich, M. L. Jensen, Y. Liu, S. Mayor, Y. Meillier, B. Morley, R. Sharman, S. Spuler, D. Storwold, J. Sun, J. Weil, M. Xu, A. Yates, and Y. Zhang, 2007: The Pentagon Shield Field Program – Toward Critical Infrastructure Protection. Bull. Amer. Met. Soc., 88, 167-176. (DOI:10.1175/BAMS-88-2-167)