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10 December 1986 Novel Long Path Transmissometry
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Novel transmissometry techniques developed for use in support of long path extinction measurements are described along with samples of data from natural and manmade obscurants. Advantages derived from these new techniques include precise control over field of view (FOV), ultra-low drift rates in system baseline response, identical alignment of all multispectral wavelength bands, and negligible humidity and temperature effects on system performance. A multispectral differential field of view technique developed for use with the U.S. Army Atmospheric Sciences Laboratory's SMART system is described along with measurement results. The differential field of view results have implications on sharply peaked forward scatter phase functions in the presence of obscurants from visible to 14-μm wavelengths.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. T. Hanley, B. L. Bean, R. Soulon, J. Randhawa, and R.A. Dise "Novel Long Path Transmissometry", Proc. SPIE 0685, Infrared Technology XII, (10 December 1986);


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