Synchronized agile beam scanning of coherent continuous-wave doppler lidars for high-resolution wind field characterization

Mikael Sjöholm*, Nikolas Angelou, Michael Courtney, Ebba Dellwik, Jakob Mann, Torben Krogh Mikkelsen, Anders Tegtmeier Pedersen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Developments of coherent continuous-wave lidar technologies for detailed studies of the three components of wind fields in the three-dimensional space has been pursued at DTU Wind Energy during the last decade with a concept called WindScanner. Since a single lidar only measures the wind component along the laser beam, the concept builds on synchronized agile beam-scanning of several lidars. The technological developments including synchronized double-prism-based scanning and an all-fiber in-phase and quadrature direction detection scheme are described. Several different instrument implementations have been realized and application examples from wind energy, structural design, aviation, boundary-layer meteorology, and recently also forestry and detailed studies in wind tunnels are highlighted. The wind lidar developments has not only proven to provide useful remote-sensing tools for wind field characterization at high spatial and temporal resolution but also holds prospects as tools for calibrating traditional point-monitoring anemometric devices which currently is investigated.
Original languageEnglish
Title of host publicationProceedings of the 19th Coherent Laser Radar Conference
PublisherCooperative Institute for Research in Environmental Sciences
Publication date2018
ISBN (Print)9781510870338
Publication statusPublished - 2018
Event19th Coherent Laser Radar Conference - Okinawa Institute of Science and Technology Graduate University, Okinawa, Japan
Duration: 18 Jun 201821 Jun 2018
Conference number: 19


Conference19th Coherent Laser Radar Conference
LocationOkinawa Institute of Science and Technology Graduate University
Internet address
SeriesProceedings of the Coherent Laser Radar Conference (CLRC)


  • Continuous-wave lidar
  • Doppler wind lidar
  • Double-prism scanner
  • Synchronized multiple beam scanning
  • Windscanner


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