1 November 1969 Thermal Mapping
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Direct photographic imaging becomes impossible in the wavelength regions beyond about 1.2 microns yet longer wavelengths are rich in information about the world around us. This paper discusses some of the functions that can be performed by infra-red imagery (thermal mapping). It also discusses briefly some of the physical principles affecting the appearance of the results and presents, by reference to several examples of imagery, some representative results obtainable in fire and water polution and in surveying soil conditions. This paper also describes a line-scanning infrared imagery system, based on a cooled, small-area semiconductor detector, that has been developed to answer the need for a relatively simple, lightweight thermal mapping device.
Richard Blythe, Ellen Kurath, "Thermal Mapping," Optical Engineering 8(1), 080118 (1 November 1969). https://doi.org/10.1117/12.7971547 . Submission:


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