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Nulling Infrared Radiometer for Measuring TemperatureA nulling, self-calibrating infrared radiometer is being developed for use in noncontact measurement of temperature in any of a variety of industrial and scientific applications. This instrument is expected to be especially well-suited to measurement of ambient or near-ambient temperature and, even more specifically, for measuring the surface temperature of a natural body of water. Although this radiometer would utilize the long-wavelength infrared (LWIR) portion of the spectrum (wavelengths of 8 to 12 ?m), its basic principle of operation could also be applied to other spectral bands (corresponding to other temperature ranges) in which the atmosphere is transparent and in which design requirements for sensitivity and temperature-measurement accuracy could be satisfied.
Document ID
20040000598
Acquisition Source
Stennis Space Center
Document Type
Other - NASA Tech Brief
Authors
Ryan, Robert
(Lockheed Martin Corp. Bay Saint Louis, MS, United States)
Date Acquired
August 21, 2013
Publication Date
May 2, 2002
Subject Category
Instrumentation And Photography
Report/Patent Number
NASA/NP-2002-06-00025-SSC
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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