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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1988),
  • paper TUL1

Practical considerations for the design of CO2 lidar systems

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Abstract

It is our purpose to provide practical information for the design of future direct detection lidar systems. A number of practical issues that directly impact on lidar construction have been investigated as well as more basic considerations of methods of error reduction. For example, it has been shown that the size of transmitted lidar beams should be as large as is practical commensurate with target size and range and should fill the receiver field of view. It has also been shown that the latter requirement does not impose serious alignment constraints. Furthermore, it has been dem- onstrated that even a single-laser lidar system is capable of comparatively low noise and reproducible performance over periods of time that easily allow statistically useful data to be collected. Pulse repetition rates of from 5 to 40 Hz yield usable results, although for some scenarios, such as rapidly moving pollutant clouds and/or moving lidar platforms, the highest available rate should be used.

© 1988 Optical Society of America

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