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dc.contributor.authorHart, Kira A.
dc.contributor.authorKupinski, Meredith
dc.contributor.authorWu, Dong
dc.contributor.authorChipman, Russell A.
dc.date.accessioned2021-04-28T19:13:38Z
dc.date.available2021-04-28T19:13:38Z
dc.date.issued2020-07-03
dc.identifier.citationHart, K. A., Kupinski, M. K., Wu, D. L., & Chipman, R. A. (2020). First results from an uncooled LWIR polarimeter for cubesat deployment. Optical Engineering, 59(7), 075103.en_US
dc.identifier.issn0091-3286
dc.identifier.doi10.1117/1.oe.59.7.075103
dc.identifier.urihttp://hdl.handle.net/10150/657955
dc.description.abstractA compact long-wave infrared (LWIR) channeled spectro-polarimeter (IRCSP) has been developed for integration into the NASA Earth Science Technology Office (ESTO) funded submm-wave and LWIR polarimeters project to measure the microphysical properties of cloud ice. Once deployed, the IRCSP will produce the first linear Stokes measurements (S-0, S-1, S-2) of upper-tropospheric cirrus clouds from 8.5 to 12.5 mu m. For the first time, a compact, light-weight, and uncooled LWIR polarimeter with off-the-shelf thermal optical components is demonstrated. We report narrowband calibration measurements which quantify metrics of polarimetric system performance. The response of the system to linearly polarized light is shown to agree with both a Mueller matrix model and modulation function for narrowband calibration measurements with an R-2 > 0.98 from 8 to 11 mu m. The polarimetric efficiency is >0.8 from 8 to 11 mu m for narrowband measurements indicating satisfactory performance of the polarization optics. Beyond 11 mu m, the agreement is significantly reduced as thermal noise compounds with reduced detector response. Ultimately, the observed system performance is limited by the spectral response of the detector past 11 mu m in addition to the thermal noise inherent for the measurements at room temperature. (C) The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.en_US
dc.language.isoenen_US
dc.publisherSPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERSen_US
dc.rights© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.subjectLWIRen_US
dc.subjectpolarimetryen_US
dc.subjectpolarizationen_US
dc.subjectremote sensingen_US
dc.subjectspectropolarimeteren_US
dc.subjectcloud iceen_US
dc.titleFirst results from an uncooled LWIR polarimeter for cubesat deploymenten_US
dc.typeArticleen_US
dc.contributor.departmentUniv Arizona, Wyant Coll Opt Scien_US
dc.identifier.journalOPTICAL ENGINEERINGSen_US
dc.description.noteOpen access articleen_US
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en_US
dc.eprint.versionFinal published versionen_US
dc.source.journaltitleOptical Engineering
dc.source.volume59
dc.source.issue07
dc.source.beginpage1
refterms.dateFOA2021-04-28T19:13:40Z


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© The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.
Except where otherwise noted, this item's license is described as © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License.