HOLO series: critical ground-based demonstrations of holographic scanning lidars

Thomas D. Wilkerson; Jason A. Sanders; Ionio Q. Andrus; Geary K. Schwemmer; David O. Miller; David V. Guerra; Jeffrey Schnick; Stephen E. Moody

doi:10.1117/12.417096

13 February 2001 HOLO series: critical ground-based demonstrations of holographic scanning lidars

Thomas D. Wilkerson, Jason A. Sanders, Ionio Q. Andrus, Geary K. Schwemmer, David O. Miller, David V. Guerra, Jeffrey Schnick, Stephen E. Moody

Author Affiliations +

Proceedings Volume 4153, Lidar Remote Sensing for Industry and Environment Monitoring; (2001) https://doi.org/10.1117/12.417096
Event: Second International Asia-Pacific Symposium on Remote Sensing of the Atmosphere, Environment, and Space, 2000, Sendai, Japan

Abstract

Results of two lidar measurement campaigns are presented, HOLO-1 (Utah, March 1999) and HOLO-2 (New Hampshire, June 1999). These tests demonstrate the ability of lidars utilizing holographic optical elements (HOEs) to determine tropospheric wind velocity and direction at cloud altitude. Several instruments were employed. HOLO-1 used the 1.064 mm transmission-HOE lidar (HARLIE, Goddard Space Flight Center), a zenith-staring 532 nm lidar (AROL-2, Utah State University), and a wide-field video camera (SkyCam) for imagery of clouds overhead. HOLO-2 included these instruments plus the 532 nm reflection-HOE lidar (PHASERS, St. Anselm College). HARLIE and PHASERS scan the sky at constant cone angles of 45° and 42° from normal, respectively. The progress of clouds and entire cloud fields across the sky is tracked by the repetitive conical scans of the HOE lidars. AROL-2 provides the altitude information enabling the SkyCam cloud images to be analyzed for independent data on cloud motion. Data from the HOE lidars are reduced by means of correlations, visualization by animation techniques, and kinematic diagrams of cloud feature motion. Excellent agreement is observed between the HOE lidar results and those obtained with video imagery and lidar ranging.

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Thomas D. Wilkerson, Jason A. Sanders, Ionio Q. Andrus, Geary K. Schwemmer, David O. Miller, David V. Guerra, Jeffrey Schnick, and Stephen E. Moody "HOLO series: critical ground-based demonstrations of holographic scanning lidars", Proc. SPIE 4153, Lidar Remote Sensing for Industry and Environment Monitoring, (13 February 2001); https://doi.org/10.1117/12.417096

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