Computer simulation of a multiple-aperture coherent laser radar

Kevin J. Gamble; Arthur Robert Weeks

doi:10.1117/12.243554

26 June 1996 Computer simulation of a multiple-aperture coherent laser radar

Kevin J. Gamble, Arthur Robert Weeks

Proceedings Volume 2748, Laser Radar Technology and Applications; (1996) https://doi.org/10.1117/12.243554
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

This paper presents the construction of a 2D multiple aperture coherent laser radar simulation that is capable of including the effects of the time evolution of speckle on the laser radar output. Every portion of a laser radar system is modeled in software, including quarter and half wave plates, beamsplitters (polarizing and non-polarizing), the detector, the laser source, and all necessary lenses. Free space propagation is implemented using the Rayleigh- Sommerfeld integral for both orthogonal polarizations. Atmospheric turbulence is also included in the simulation and is modeled using time correlated Kolmogorov phase screens. The simulation itself can be configured to simulate both monostatic and bistatic systems. The simulation allows the user to specify component level parameters such as extinction ratios for polarizing beam splitters, detector sizes and shapes. orientation of the slow axis for quarter/half wave plates and other components used in the system. This is useful from a standpoint of being a tool in the design of a multiple aperture laser radar system.

Citation Download Citation

Kevin J. Gamble and Arthur Robert Weeks "Computer simulation of a multiple-aperture coherent laser radar", Proc. SPIE 2748, Laser Radar Technology and Applications, (26 June 1996); https://doi.org/10.1117/12.243554

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