Measurements of Stokes parameters of materials at 1064-nm and 532-nm wavelengths

Songxin Tan; Ram Mohan Narayanan; James E. Kalshoven Jr.

doi:10.1117/12.440114

19 September 2001 Measurements of Stokes parameters of materials at 1064-nm and 532-nm wavelengths

Songxin Tan, Ram Mohan Narayanan, James E. Kalshoven Jr.

Proceedings Volume 4377, Laser Radar Technology and Applications VI; (2001) https://doi.org/10.1117/12.440114
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Laser radar systems have found wide applications in the field of remote sensing. Reflectance as well as polarization features are used together for applications ranging from environmental monitoring to target classification. The Stokes parameters are ideal quantities for characterizing the above features because they provide useful information on both light intensity and polarization state. The University of Nebraska is currently refurbishing an airborne multi-wavelength laser radar system based on the NASA Goddard Space Flight Center (GSFC) developed Airborne Laser Polarimetric Sensor (ALPS). The system uses a Nd:YAG laser operating at wavelengths of 1064 nm and 532 nm, and contains four channels at each wavelength to measure the polarization states. This system was used to measure the Stokes parameters of backscattered laser light from different materials. These included canvas tarp, white paper, plywood, concrete, aluminum plate and anodized aluminum plate. The data provide an understanding of the polarized scattering properties of various materials, and are expected to be useful in developing target discrimination algorithms.

Citation Download Citation

Songxin Tan, Ram Mohan Narayanan, and James E. Kalshoven Jr. "Measurements of Stokes parameters of materials at 1064-nm and 532-nm wavelengths", Proc. SPIE 4377, Laser Radar Technology and Applications VI, (19 September 2001); https://doi.org/10.1117/12.440114

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