The Lidar In-Space Technology Experiment (LITE)

Details The Lidar In-Space Technology Experiment (LITE) The Lidar In-Space Technology Experiment (LITE)

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ilr..conf.....m&link_type=abstract

In its 13th International Laser Radar Conference 1 p (SEE N87-10263 01-35)

Physics

Optics

1

Aerosols, Cloud Cover, Density Measurement, Optical Radar, Planetary Boundary Layer, Space Shuttle Payloads, Temperature Measurement, Cassegrain Optics, Earth Observations (From Space), Laser Applications, Spaceborne Telescopes, Stratosphere, Troposphere, Yag Lasers

Scientific paper

A spaceborne lidar system is presently being constructed for flight aboard the U. S. Space Shuttle in early 1991. The experiment, Lidar In Space Technology Experiment (LITE), utilizes a neodymium:YAG laser and 0.85 meter effective diameter Cassegranian-configured telescope receiver for making elastic backscatter measurements. The laser will be frequency doubled and tripled simulataneously producing a 10 Hz rate of 200 mJ at 1064 nm, 400 mJ at 532 nm, and 150 mJ at 355 nm. The technological objectives of LITE are to evaluate lidar system operations in space, lidar techniques in space, and to provide a test bed for new lidar technologies in later flights. The measurement objectives include the determination of cloud top and planetary boundary layer heights, the measurement of tropospheric and stratospheric aerosols, and the measurement of temperature and density between 10 to 40 km altitude. Detailed simulations will be presented showing the errors associated with each of these measurement objectives. In addition, the experiment scenario will be described including measurement times, data flow, processing and archival, and initial plans for validation of the LITE data set with correlative measurements.

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