Ultra-portable field-capable short wave infrared transfer radiometers: initial system calibration and characterization

Nikolaus J Anderson, Kurtis Thome, Matthew Mavko, Brian Wenny, Jeffrey Czapla-Myers, Stuart Biggar

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

Abstract

To complement the successful manufacture and deployment of two custom ultra-portable field-capable visible and near-infrared (VNIR) transfer radiometers developed by the Remote Sensing Group (RSG) at the University of Arizona, RSG has been testing custom short-wave infrared (SWIR) detectors towards a new radiometer system design. Similar to the Silicon-based Calibration Test Site SI-Traceable Transfer Radiometer (CaTSSITTR), these thermoelectrically (TE) cooled InGaAs-based SWIR instruments are designed for stable and SI-traceable 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). To accomplish widespread transfer radiometry in various field and laboratory environments, design goals include single-operator portability and data collection, standalone battery power for field collection, and system operation at a wide ambient temperature range (-10-35°C). These goals were recently realized into complete prototype system design and manufacture. This work presents updated details of this final design but focuses mostly on the initial radiometric performance of these custom instruments as an evaluation of their suitability for high accuracy transfer radiometry in the 800 - 2500 nm spectral region.

Original languageEnglish (US)
Title of host publicationEarth Observing Systems XXIX
EditorsXiaoxiong Xiong, Xingfa Gu, Jeffrey S. Czapla-Myers
PublisherSPIE
ISBN (Electronic)9781510679467
DOIs
StatePublished - 2024
EventEarth Observing Systems XXIX 2024 - San Diego, United States
Duration: Aug 20 2024Aug 21 2024

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume13143
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceEarth Observing Systems XXIX 2024
Country/TerritoryUnited States
CitySan Diego
Period8/20/248/21/24

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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