A Fiber-Based Lidar System for Atmospheric Water Vapor Measurement
Little, Liesl Marie
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https://hdl.handle.net/2142/81323
Description
Title
A Fiber-Based Lidar System for Atmospheric Water Vapor Measurement
Author(s)
Little, Liesl Marie
Issue Date
2000
Doctoral Committee Chair(s)
George C. Papen
Department of Study
Electrical Engineering
Discipline
Electrical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Atmospheric Science
Language
eng
Abstract
The design and evaluation of a prototype fiber-based lidar system are presented. This novel system has the potential to provide autonomous water vapor measurements with high resolution and accuracy. In addition, relatively low-cost mass-production and operation of the system is feasible. This dissertation first describes the design decisions and trade-offs made in the initial design of the prototype. It then presents the initial atmospheric measurements made and compares the results to expected values based on models. A second-stage prototype system is then presented. Atmospheric measurements with the enhanced prototype are compared to modeled values, and a detailed error analysis for the enhanced version of the system prototype is given. Recommendations for further improvements are then made. After these additional enhancements, the system should meet the requirements for making global water vapor profile measurements to enhance current global climate models.
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