Aerosol extinction coefficient near 10.6 um measured with the PVM forward scatter meter and a transmissometer

Daniel L. Hutt

doi:10.1117/12.211942

15 June 1995 Aerosol extinction coefficient near 10.6 μm measured with the PVM forward scatter meter and a transmissometer

Daniel L. Hutt

Author Affiliations +

Proceedings Volume 2471, Atmospheric Propagation and Remote Sensing IV; (1995) https://doi.org/10.1117/12.211942
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Knowledge of the aerosol extinction coefficient at infrared wavelengths is necessary for predicting the performance of electro-optical systems such as thermal imagers. Recently, Gerber Scientific Inc. has developed an instrument that makes a local measurement of the aerosol extinction coefficient at a wavelength of 10.6 micrometers . It exploits the strong correlation observed between visible light forward scattered between 0 and 3.6 degree(s) and the infrared extinction coefficient. We report field measurements made with this instrument in advection fog conditions and compare the results with transmissometer measurements of extinction in the 10 - 12 micrometers band.

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Daniel L. Hutt "Aerosol extinction coefficient near 10.6 μm measured with the PVM forward scatter meter and a transmissometer", Proc. SPIE 2471, Atmospheric Propagation and Remote Sensing IV, (15 June 1995); https://doi.org/10.1117/12.211942

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KEYWORDS

Aerosols

Mass attenuation coefficient

Fiber optic gyroscopes

Atmospheric modeling

Transmittance

Receivers

Signal attenuation

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