NRL Transmittance Measurements at DIRT-III.
NAVAL RESEARCH LAB WASHINGTON DC
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This is a final report on NRL experiments at the DIRT-III tests at Fort Polk, Louisiana in April, May 1980. Spectral transmission data at 3 wavelengths 0.55 microns, 1.06 microns and 10.4 microns is reported for 27 events in natural soil and various prepared soils. Spectral transmittance of smoke and dust clouds generated by explosive charges was found to be independent of wavelengths in about 50 of the events where useful data was obtained. When the charge was buried in wet natural soil transmittance at 10.4 microns was transmittance at 0.55 microns .
- Infrared Detection and Detectors