Design of an ultra-portable field-capable short wave infrared transfer radiometer supporting Earth observing sensor calibration

Nikolaus J Anderson, Kurtis Thome, Stuart Biggar, Brian Wenny

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In 2016, construction was completed for two custom ultra-portable visible and near-infrared (VNIR) transfer radiometers developed by the Remote Sensing Group (RSG) at the University of Arizona. Dubbed CaTSSITTR (Calibration Test Site SI-Traceable Transfer Radiometer), these instruments have since been used for transfer radiometry in support of various field and laboratory calibrations around the world, much in support of the Radiometric Calibration Network, or RadCalNet, an initiative of the Working Group on Calibration and Validation of the Committee on Earth Observation Satellites (CEOS). As technology advancements in short-wave infrared (SWIR) detectors have matured and become more commercially available, RSG has been testing these SWIR detectors and system components towards the end goal of producing SWIR transfer radiometers based on similar design goals as the CaTSSITTRs. These goals include one operator portability and data collection, and standalone (battery) power for field collection times. To this end we strive to prove we can achieve high accuracy transfer radiometry in the SWIR without liquid nitrogen cooling or optical chopping. This work details the prototype testing results and system design details of these new SWIR ultra-portable transfer radiometers.

Original languageEnglish (US)
Title of host publicationEarth Observing Systems XXVIII
EditorsXiaoxiong Xiong, Xingfa Gu, Jeffrey S. Czapla-Myers
PublisherSPIE
ISBN (Electronic)9781510665842
DOIs
StatePublished - 2023
EventEarth Observing Systems XXVIII 2023 - San Diego, United States
Duration: Aug 22 2023Aug 24 2023

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12685
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceEarth Observing Systems XXVIII 2023
Country/TerritoryUnited States
CitySan Diego
Period8/22/238/24/23

Keywords

  • CaTSSITTR
  • radiometric calibration
  • spectral radiance calibration
  • SWIR radiometer
  • SWIR radiometric calibration
  • Transfer radiometer
  • transfer radiometry

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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