Speed measurements with a continuous wave lidar prototype

The UPC lidar group is developing a Doppler wind lidar based on the "edge-technique". Such systems use the slope of a high resolution optical filter as frequency discriminator. A laboratory prototype, able to measure the speed of solid targets emitting continuous wave radiation and using a...

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Bibliographic Details
Main Authors: Munoz, C., Rodriguez, A., Comeron, A., Batet, O., Garcia, D., Rocadenbosch, F., Sicard, M.
Format: Conference Proceeding
Language:English
Subjects:
Doppler
Fabry-Perot
Fabry-Perot interferometers
Frequency
Laboratories
Laser radar
Lidar
optic fiber
Optical filters
Optical tuning
Prototypes
Resonance
Solids
Velocity measurement
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Description
Summary:The UPC lidar group is developing a Doppler wind lidar based on the "edge-technique". Such systems use the slope of a high resolution optical filter as frequency discriminator. A laboratory prototype, able to measure the speed of solid targets emitting continuous wave radiation and using a Fabry-Perot interferometer as optical filter, has been built. A tuning control has been included to compensate drifts between the emitted frequency and the filter resonance frequencies in order to assure maximum sensitive measurements. The design of the system and different results concerning the performance of the tuning control system and speed measurements will be presented.
ISSN:2153-6996
2153-7003
DOI:10.1109/IGARSS.2007.4423418