Design and development of a simple infrared monitor for cloud detection

We have developed simple single pixel thermopile infrared (IR) detectors for monitoring clouds for the purpose of atmospheric research and for cloud detection over astronomical and astrophysical observatories. Those detectors were developed with 3° and 90° fields of view (FOV) and have a broad spect...

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Bibliographic Details
Published in:Energy conversion and management 2009-11, Vol.50 (11), p.2732-2737
Main Authors: Maghrabi, A., Clay, R., Wild, N., Dawson, B.
Format: Article
Language:English
Subjects:
Calibration, scanner
Clouds
Earth, ocean, space
Exact sciences and technology
External geophysics
Geophysics. Techniques, methods, instrumentation and models
Infrared detector
MODTRAN
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Summary:We have developed simple single pixel thermopile infrared (IR) detectors for monitoring clouds for the purpose of atmospheric research and for cloud detection over astronomical and astrophysical observatories. Those detectors were developed with 3° and 90° fields of view (FOV) and have a broad spectral response extended from 5.5 μm to above 20 μm centered on a wavelength of 10 μm. This paper aims to give a detailed description of these detectors, and the methodology followed to construct and calibrate them. Results from observations with these detectors will be given. Simulations using MODTRAN software were carried out to examine the theoretical expectation of the measured IR sky temperatures by these detectors. Good agreements between the measured and simulated data were found.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2009.06.029