25 July 1989 Phase Conjugate Reflection Of Electromagnetic Waves From A Plasma
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Abstract
The following paper reports on a series of experiments that were carried out to verify the possibility of using a plasma, as the nonlinear medium, for generating phase conjugate reflection of electromagnetic waves in the microwave region, by almost degenerate four wave mixing. In a theoretical work done at UCI we have shown that the phase conjugate reflection is of significant magnitude if the frequency and the wave vector difference of the signal wave, with respect to the pump waves, resonate with the frequency and the wave vector of the ion acoustic mode of the plasma. The reflected beam can be highly amplified by the plasma. The main results of the theory developed are described, as well as the series of experiments we have carried out to verify the phase conjugation. Possible applications of the emergent technology are discussed. The experiment was terminated without observation of the PCR because of lack of funding. Possible ways to continue the experiment are discussed.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. Tzach, A. Fisher, N. Rostoker, G. Benford, E. Garate, I. Nebenzahl, A. Ron, "Phase Conjugate Reflection Of Electromagnetic Waves From A Plasma", Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); doi: 10.1117/12.951822; https://doi.org/10.1117/12.951822
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