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The Slope Imaging Multi-Polarization Photon-Counting Lidar: Development and Performance ResultsThe Slope Imaging Multi-polarization Photon-counting Lidar is an airborne instrument developed to demonstrate laser altimetry measurement methods that will enable more efficient observations of topography and surface properties from space. The instrument was developed through the NASA Earth Science Technology Office Instrument Incubator Program with a focus on cryosphere remote sensing. The SIMPL transmitter is an 11 KHz, 1064 nm, plane-polarized micropulse laser transmitter that is frequency doubled to 532 nm and split into four push-broom beams. The receiver employs single-photon, polarimetric ranging at 532 and 1064 nm using Single Photon Counting Modules in order to achieve simultaneous sampling of surface elevation, slope, roughness and depolarizing scattering properties, the latter used to differentiate surface types. Data acquired over ice-covered Lake Erie in February, 2009 are documenting SIMPL s measurement performance and capabilities, demonstrating differentiation of open water and several ice cover types. ICESat-2 will employ several of the technologies advanced by SIMPL, including micropulse, single photon ranging in a multi-beam, push-broom configuration operating at 532 nm.
Document ID
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Dabney, Phillip
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 25, 2013
Publication Date
January 1, 2010
Subject Category
Earth Resources And Remote Sensing
Report/Patent Number
Meeting Information
Meeting: Proceedings of IEEE International Geoscience and Remote Sensing Symposium
Location: Honolulu, HI
Country: United States
Start Date: July 25, 2010
End Date: July 30, 2010
Sponsors: Institute of Electrical and Electronics Engineers
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