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Proceedings Paper

A Visible And Near-Infrared Scanning Photometer For Field Measurements Of Spectral Albedo And Irradiance Under Polar Conditions*
Author(s): Thomas C. Grenfell
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Paper Abstract

The design and operating characteristics are presented for a visible and near-infrared scanning photometer which can measure incident and reflected spectral irradiance from 400 nm to 2,450 nm. The instrument is designed to record over 98% of the solar radiation incident upon and reflected from the Earth's surface using a turret-type cosine collector and a circular variable interference filter. The apparatus has been tested successfully on arctic sea ice at temperatures down to -20°C. It is self-contained and easily portable, and its mass is less than 16 kg. Some preliminary results are presented.

Paper Details

Date Published: 22 September 1983
PDF: 5 pages
Proc. SPIE 0414, Optical Engineering for Cold Environments, (22 September 1983); doi: 10.1117/12.935866
Show Author Affiliations
Thomas C. Grenfell, University of Washington (United States)

Published in SPIE Proceedings Vol. 0414:
Optical Engineering for Cold Environments
George W. Aitken, Editor(s)

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