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Proceedings Paper

Airborne multiangle spectropolarimetric imager (AirMSPI) observations over California during NASA's polarimeter definition experiment (PODEX)
Author(s): David J. Diner; Michael J. Garay; Olga V. Kalashnikova; Brian E. Rheingans; Sven Geier; Michael A. Bull; Veljko M. Jovanovic; Feng Xu; Carol J. Bruegge; Ab Davis; Karlton Crabtree; Russell A. Chipman
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Paper Abstract

The Airborne Multiangle SpectroPolarimetric Imager (AirMSPI) is an ultraviolet/visible/near-infrared pushbroom camera mounted on a single-axis gimbal to acquire multiangle imagery over a ±67° along-track range. The instrument flies aboard NASA’s high-altitude ER-2 aircraft, and acquires Earth imagery with ~10 m spatial resolution across an 11- km wide swath. Radiance data are obtained in eight spectral bands (355, 380, 445, 470, 555, 660, 865, 935 nm). Dual photoelastic modulators (PEMs), achromatic quarter-wave plates, and wire-grid polarizers also enable imagery of the linear polarization Stokes components Q and U at 470, 660, and 865 nm. During January-February 2013, AirMSPI data were acquired over California as part of NASA’s Polarimeter Definition Experiment (PODEX), a field campaign designed to refine requirements for the future Aerosol-Cloud-Ecosystem (ACE) satellite mission. Observations of aerosols, low- and mid-level cloud fields, cirrus, aircraft contrails, and clear skies were obtained over the San Joaquin Valley and the Pacific Ocean during PODEX. Example radiance and polarization images are presented to illustrate some of the instrument’s capabilities.

Paper Details

Date Published: 27 September 2013
PDF: 10 pages
Proc. SPIE 8873, Polarization Science and Remote Sensing VI, 88730B (27 September 2013); doi: 10.1117/12.2024605
Show Author Affiliations
David J. Diner, Jet Propulsion Lab. (United States)
Michael J. Garay, Jet Propulsion Lab. (United States)
Olga V. Kalashnikova, Jet Propulsion Lab. (United States)
Brian E. Rheingans, Jet Propulsion Lab. (United States)
Sven Geier, Jet Propulsion Lab. (United States)
Michael A. Bull, Jet Propulsion Lab. (United States)
Veljko M. Jovanovic, Jet Propulsion Lab. (United States)
Feng Xu, Jet Propulsion Lab. (United States)
Carol J. Bruegge, Jet Propulsion Lab. (United States)
Ab Davis, The Univ. of Texas at Austin Ctr. for Space Research (United States)
Karlton Crabtree, College of Optical Sciences, The Univ. of Arizona (United States)
Russell A. Chipman, College of Optical Sciences, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 8873:
Polarization Science and Remote Sensing VI
Joseph A. Shaw; Daniel A. LeMaster, Editor(s)

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