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Optical Remote Sensing Division
Instruments
OPAL
Principal Investigators
Dr. Yanzeng Zhao
Dr. R. Michael Hardesty
Richard D. Marchbanks
Dr. Christoph J. Senff

Instrument: Nd:YAG-Based Ozone Profiling Atmospheric Lidar (OPAL)

Typical Specifications (prior to 1999):

Wavelength 266 nm 289 nm 355 nm
Pulse energy 20 mJ 1 mJ 6 mJ
Pulse rate 2 - 10 Hz
Scanning
Directions		 Vertical, horizontal, and in a single vertical plane
Minimum range 15 - 60 m
Maximum range
(Ozone)		 3 km
Maximum range
(Aerosol)		 1.5 - 3 km 6 - 7 km 10 km
Transmitter Configuration Multibeam Single beam
Accuracy: Better than +/- 10 ppb
NOAA
Earth System Research Laboratory
Physical Science Division (PSD)
Formerly
Environmental Technology Laboratory
325 Broadway R/ETL
Boulder, Colorado 80305-3328
www.esrl.noaa.gov/psd

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