Share Email Print
cover

Proceedings Paper

Preliminary results of BTDF calibration of transmissive solar diffusers for remote sensing
Author(s): Georgi T. Georgiev; James J. Butler; Kurt Thome; Catherine Cooksey; Leibo Ding
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Satellite instruments operating in the reflected solar wavelength region require accurate and precise determination of the optical properties of their diffusers used in pre-flight and post-flight calibrations. The majority of recent and current space instruments use reflective diffusers. As a result, numerous Bidirectional Reflectance Distribution Function (BRDF) calibration comparisons have been conducted between the National Institute of Standards and Technology (NIST) and other industry and university-based metrology laboratories. However, based on literature searches and communications with NIST and other laboratories, no Bidirectional Transmittance Distribution Function (BTDF) measurement comparisons have been conducted between National Measurement Laboratories (NMLs) and other metrology laboratories. On the other hand, there is a growing interest in the use of transmissive diffusers in the calibration of satellite, air-borne, and ground-based remote sensing instruments. Current remote sensing instruments employing transmissive diffusers include the Ozone Mapping and Profiler Suite instrument (OMPS) Limb instrument on the Suomi-National Polar-orbiting Partnership (S-NPP) platform,, the Geostationary Ocean Color Imager (GOCI) on the Korea Aerospace Research Institute’s (KARI) Communication, Ocean, and Meteorological Satellite (COMS), the Ozone Monitoring Instrument (OMI) on NASA’s Earth Observing System (EOS) Aura platform, the Tropospheric Emissions: Monitoring of Pollution (TEMPO) instrument and the Geostationary Environmental Monitoring Spectrometer (GEMS).. This ensemble of instruments requires validated BTDF measurements of their onboard transmissive diffusers from the ultraviolet through the near infrared. This paper presents the preliminary results of a BTDF comparison between the NASA Diffuser Calibration Laboratory (DCL) and NIST on quartz and thin Spectralon samples.

Paper Details

Date Published: 19 September 2016
PDF: 12 pages
Proc. SPIE 9972, Earth Observing Systems XXI, 997205 (19 September 2016); doi: 10.1117/12.2235802
Show Author Affiliations
Georgi T. Georgiev, NASA Goddard Space Flight Ctr. (United States)
James J. Butler, NASA Goddard Space Flight Ctr. (United States)
Kurt Thome, NASA Goddard Space Flight Ctr. (United States)
Catherine Cooksey, National Institute of Standards and Technology (United States)
Leibo Ding, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 9972:
Earth Observing Systems XXI
James J. Butler; Xiaoxiong (Jack) Xiong; Xingfa Gu, Editor(s)

Video Presentation

Preliminary-results-of-BTDF-calibration-of-transmissive-solar-diffusers-for



© SPIE. Terms of Use
Back to Top