RESEARCH ASSOCIATES: - DLR Oberpfaffenhofen, AG LIDAR, Germany
- PINT, Slovenia

MAILING ADDRESS: DLR Oberpfaffenhofen
Institut für Physik der Atmosphäre
AG LIDAR
Münchner Str. 20
D-82234 Wessling

TELEPHONE NUMBER: +49 8153 28-1817

FAX NUMBER: +49 8153 28-1271

E-MAIL ADDRESS: gorazd.poberaj@dlr.de

WEB SITE: http://www.op.dlr.de/ipa/LIDAR/

DATE: 13 August 2001

LIDAR LOCATION (CITY, COUNTRY, LAT., LONG.):
Oberpfaffenhofen (by Münich), Germany,
11.5 E, 48.1 N
+ airborne measurements over the Europe

SITE ELEVATION: 500 m (ground based ) up-to 12 km (airborne)

PARAMETER(S) OR CONSTITUENT(S) MEASURED: water vapor, aerosol

RESEARCH OBJECTIVES AND SPONSOR:
- airborne water vapor measurements in the upper troposphere and lower stratosphere
- upcoming airborne measurements: water vapor in the PBL

MEASUREMENT TECHNIQUE: differential absorption lidar

MEASUREMENT RANGE: 6 km

VERTICAL RESOLUTION: 200-750 m

FREQ. OF MEASUREMENT (TYPICALLY): airborne: 1 month per year

MEASUREMENT TIMES (TYPICALLY): daytime

LASER TYPE AND WAVELENGTH (s): Nd:YAG (1064 nm, 532 nm), optical parametric oscillator (~940 nm)

LASER ENERGY/PULSE: 100 mJ @ 1064 nm, 12 mJ @ 940 nm

PULSE REPETITION RATE: 100 Hz

RECEIVER SIZE AND CONFIGURATION: Cassegrain telescope, 35/45 cm diameter

DETECTORS USED: APD (1064, 940 nm), PMT (532 nm)

SIGNAL PROCESSING: DLR´s data acquisition system

ANALOG-T0-DIGITAL CONVERTER: 10 MHz, 14 bit

COMPUTER: Sun workstation

PLATFORM (if applicable): airborne / ground

PUBLICATIONS (5 recent and/or significant):

G. Poberaj, A. Assion, A. Fix, C. Kiemle, M. Wirth, and G. Ehret, "Airborne All-Solid-State DIAL for Water Vapor Measurements in the Tropopause Region", Selected papers presented at the 20th International Laser Radar Conference 2000, Vichy, France

G. Ehret, H. H. Klingenberg, U. Hefter, A. Assion, A. Fix, G. Poberaj, S. Berger, S. Geiger, Q. Lü, "High peak and average power all-solid-state laser systems for airborne LIDAR applications", LaserOpto 32(1), 29-37 (2000)

G. Ehret, K. P. Hoinka, J. Stein, A. Fix, C. Kiemle, and G. Poberaj, "Low stratospheric water vapor measured by an airborne DIAL", J. Geophys. Res., 104, D24, 31,351-31,359 (1999)

G. Ehret, A. Fix, V. Weiß, G. Poberaj, T. Baumert, "Diode-laser-seeded optical parametric oscillator for airborne water vapor DIAL application in the upper troposphere and lower stratosphere", Appl. Phys. B 67, 427-431 (1998)

G. Poberaj, H. H. Klingenberg, "Injection-seeded pulsed Ti:sapphire ring laser for atmospheric water vapour measurements in the region from 922 nm to 942 nm", 19th International Laser Radar Conference, NASA/CP-1998-207671/PT2, pp.787-789 (1998)