RESEARCH ASSOCIATES: Professor David A. Krueger; Drs. Bifford P. Williams and Dorothy Gibson-Wilde

MAILING ADDRESS: Physics Department, Colorado State University, Fort Collins, CO 80523; Colorado Research Associates, 3380 Mitchell Lane, Boulder, CO 80301

TELEPHONE NUMBER: +1-970-491-6261; +1-970-491-7381; +1-303-415-9701

FAX NUMBER: +1-970-491-7947; +1-303-415-9702

E-MAIL ADDRESS: joeshe@lamar.colostate.edu; dave@colorado-research.com
krueger@lamar.colostate.edu; biffw@lamar.colostate.edu; dgibson@colorado-research.com

WEB SITE: http:// lamar.colostate.edu/~lidar/
http://alomar.rocketrange.no

DATE: September 1, 2001 (updated)

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.):
Andoya (69N, 16E), Norway
SITE ELEVATION: 379m

PARAMETER(S) OR CONSTITUENT(S) MEASURED:
Sodium density, temperatue, zonal and meridional winds
RESEARCH OBJECTIVES AND SPONSOR:
Investigate themal, dynamical and tidal structure of the polar mesopause region; long-term change studies; AFOSR, NSF
MEASUREMENT TECHNIQUE:
Laser induced fluorescence, frequency agile with the Na D2 Doppler spectrum
MEASUREMENT RANGE: 80 - 110 km

VERTICAL RESOLUTION: 1 km

FREQ. OF MEASUREMENT (TYPICALLY): 24-hour capability, measurement on campaign mode.

MEASUREMENT TIMES (TYPICALLY): 5 min to 1 hr

LASER TYPE AND WAVELENGTH (s): sum-frequency geration and pulse dye amplifier; 589nm
LASER ENERGY/PULSE: 20mJ/pulse

PULSE REPETITION RATE: 50 Hz

RECEIVER SIZE AND CONFIGURATION: Twin telescopes, 1.8m dia. Zenith, 20 or 30 degree from it pointing East and/or North

DETECTORS USED: PMT

SIGNAL PROCESSING: Photon Counting

ANALOG-T0-DIGITAL CONVERTER:

COMPUTER: PC

PLATFORM (if applicable):

PUBLICATIONS (5 recent and/or significant):

She, Vance, Williams, Hu and Krueger, Hans Moosmüller, Gibson-Wilde and Fritts, "A unique sodium lidar at a unique observatory called ALOMAR in the Norwegian Arctic (69oN, 16oE)", in preparation.

COMMENTS: Unique sum-frequency generation of c.w. radiation @589nm. Unique Faraday filter rejects sky background permitting daytime observation