Remote sensing with passive specular probes

Dan Slater; Sandy Shaw M.D.

doi:10.1117/12.734838

25 September 2007 Remote sensing with passive specular probes

Dan Slater, Sandy Shaw M.D.

Proceedings Volume 6709, Free-Space Laser Communications VII; 67090W (2007) https://doi.org/10.1117/12.734838
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

A solar illuminated glinting specular object can serve as an in situ sensor probe that is observable from long distances. Retroreflective objects produce bright glints when illuminated by coaxial illumination sources such as lasers. These glints are modulated in various ways by illumination source variances, the local probe environment, the intervening propagation paths and the remote sensing system. The modulating signals can be recovered by using reflectivity detectors with temporal, spatial, wavelength, directivity and polarization sensitivity. Clustered and moving specular probes provide additional information through geometry extraction, beam forming and multisensor noise reduction. Experimental results are shown for omnidirectional specular imaging, atmospheric wake turbulence measurement, redeye sensing and acoustic sensing.

Citation Download Citation

Dan Slater and Sandy Shaw M.D. "Remote sensing with passive specular probes", Proc. SPIE 6709, Free-Space Laser Communications VII, 67090W (25 September 2007); https://doi.org/10.1117/12.734838

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