LIDAR RESEARCHER: Professor Chiao-Yao She

RESEARCH ASSOCIATES: Professor David A. Krueger, Dr. Bifford P. Williams, Dr. David C. Fritts

MAILING ADDRESS: Physics Department, Colorado State University, 200 West Lake Street, Frot Collins, CO 80523

TELEPHONE NUMBER: 970-491-6261

FAX NUMBER: 970-491-7947

E-MAIL ADDRESS: joeshe@lamar.colostate.edu

WEB SITE:

DATE: August 26, 2003

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.):

ALOMAR, Norway (69N, 16E )

SITE ELEVATION: 300 meter

PARAMETER(S) OR CONSTITUENT(S) MEASURED:

mesopause region sodium density

mesopause region temperature and horizontal wind

mesopause region momentum flux

RESEARCH OBJECTIVES:

Climatology and thermal structure in the mesopause region

atmospheric dynamics, tides and gravity waves in the mesopause region

SPONSOR: NSF

MEASUREMENT TECHNIQUE:

narrowband resonance backscatter and detection from sodium atoms

MEASUREMENT RANGE: 80 - 110 km

VERTICAL RESOLUTION: 150 meter

FREQ. OF MEASUREMENT (TYPICALLY): On campaign basis

MEASUREMENT TIMES (TYPICALLY): 2 to 60-minute resolution, day or night

LASER TYPE (s): Seed light at 589nm was generated by sum-frequency mixing, Nd:YAG frequency-doubled pump source for a pulsed dye amplifier

WAVELENGTH: 589 nm

LASER ENERGY/PULSE: 20 mJ/pulse

PULSE REPETITION RATE: 50 Hz

RECEIVER SIZE AND CONFIGURATION: Twin 1.8m diameter telescopes

DETECTORS USED: Twin PMT

SIGNAL PROCESSING: photon counting

ANALOG-T0-DIGITAL CONVERTER: Optech

COMPUTER: Two Pc's

PUBLICATIONS (5 recent and/or significant):

She, C. Y., Joe D. Vance, B. P. Williams, D. A. Krueger, H. Moosuller, D. Gibson-Wilde, and D. C. Fritts, Lidar studies of atmospheric dynamics near polar mesopause, EOS, Transactions, American Geophysical Union, 83 (27), P.289 and P.293, 2002.

Vance, J. D., C. Y. She, and H. Moosmüller, Continuous-wave, all-solid-state, single-frequency 400-mW source at 589 nm based on doubly resonant sum-frequency mixing in a monolithic lithum niobate resonator, Appl. Opt. 37, 4891-4896, 1998.