NASA three-laser airborne differential absorption lidar system electronics
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NASA three-laser airborne differential absorption lidar system electronics by Robert J Allen

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Published by Dept. of Physics, School of Sciences and Health Professions, Old Dominion University in Norfolk, Va .
Written in English

Subjects:

  • Lasers,
  • Astronautics -- United States -- Optical communication systems

Book details:

Edition Notes

Statementby Robert J. Allen and Gary E. Copeland, principal investigator ; prepared for the National Aeronautics and Space Administration, Langley Research Center under cooperative agreement NCC1-32 ; submitted by the Old Dominion University Research Foundation
SeriesNASA-CR -- 174293, Technical report -- PTR-84-3, NASA contractor report -- 174293, Technical report (Old Dominion University. School of Sciences and Health Professions. Dept. of Physics) -- no. PTR-84-3
ContributionsCopeland, Gary E, Langley Research Center, Old Dominion University. Research Foundation, Old Dominion University. Dept. of Physics
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL14929229M

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NASA's Lidar Atmospheric Sensing Experiment (LASE) system is an airborne DIAL (Differential Absorption Lidar) system used to measure water vapor, aerosols, and clouds throughout the troposphere. LASE probes the atmosphere using lasers to transmit light in the nm absorption band of water vapor. The system control and signal conditioning electronics of the NASA three laser airborne differential absorption lidar (DIAL) system are described. The multipurpose DIAL system was developed for the remote measurement of gas and aerosol Author: G. D. Copeland and R. J. Allen. This report, describes the NASA three-laser airborne differential ab-sorption lidar (DIAL) system control and signal conditioning electronics. The lasers, optics development and central computing system are discussed elsewhere (refs. ). Photomultiplier network analysis will be reported later after further progress is made in this area. Th i s multipurpose DIAL system . The LASE program was initiated as an effort to produce an autonomous system for measuring water vapor levels from airborne and spaceborne platforms using LIDAR technology. The Instrument The LASE transmitter consists of a Ti:sapphire laser pumped by a double pulsed Nd:YAG laser.

Abstract. The Lidar Atmospheric Sensing Experiment (LASE) Instrument is the first fully-engineered, autonomous Differential Absorption Lidar (DIAL) System for the measurement of water vapor in the troposphere (aerosol and cloud measurements are included).Cited by: Deployable Optics for Earth Observing Lidar Instruments L.D. Peterson and J.D. Hinkle Differential Absorption Lidar (DIAL) systems have been widely used to study O3 and aerosols that NASA Langley’s airborne DIAL measurements of O3 [23] have been used in field experiments over many region of the world during the past twenty years and. atmospheric science. For example, NASA Langley has deployed ground and airborne LIDAR systems to characterize water vapor, ozone, and aerosols in our atmosphere. This report presents a system study of a water vapor Differential Absorption LIDAR (DIAL) system that would be implemented on an unmanned aerial vehicle (UAV) platform. The Lidar Applications Group is based out of the Science Directorate at NASA s Langley Research Center. The research campaigns and experiments performed in the Lidar group use Lidar technology on various aircraft to learn more about our atmosphere, what s .

To measure ozone as well as aerosols, NASA Langley scientists use a specialized lidar called the airborne Ultraviolet (UV) Differential Absorption Lidar (DIAL). These researchers have used ground-based DIAL systems since the mids and airborne UV DIAL systems since the early s. Abstract. A multipurpose airborne differential absorption lidar (DIAL) system has been recently developed at the NASA Langley Research Center to remotely measure the profiles of various gases and aerosols in diverse atmospheric by: • Ozone Differential Absorption Lidar (DIAL) Profiles (λ on= nm & λ off = nm) • Aerosol & Cloud Scattering Ratio Profiles (, , & nm) • Simultaneous Nadir and Zenith Ozone & Aerosol Profiling • Nadir Aerosol Depolarization Profiles ( nm) • Deployed on NASA DC-8 for TRACE-P (), INTEX NA () Browell et al., J File Size: 3MB.   LIDAR comes in three major varieties: range finders, DIAL(DIfferential Absorption LIDAR), and Doppler DIAL. Range Finder – Conceptually, the simplest LIDAR to understand is the range finder, like one used on a golf course to determine the distance to the hole. In a range finder, a laser sends out a pulse and a receiver, often little more than.