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FDTD Simulation for the Focusing Property of Extended Hemispherical Lens as Receiving Antenna

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Abstract

The focusing property of extended hemispherical lens, on which a linearly polarized plane wave is incident normally, is simulated by FDTD method. The focusing process is presented pictorially at different moment. Focal length is obtained and compared with that computed by other method. Good agreement has been found. The coupling between the focused incident wave and a waveguide in the focal plane of the lens is also simulated. The lens is used as antenna at millimeter wavelengths.

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References

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  2. Z.L. Sun, W.B. Dou, “Extended hemispherical lens used in focal imaging at millimeter wavelengths,” Chinese Engineering (in Chinese), to be published.

  3. A. Taflove, Advances in Computational Electrodynamics-The Finite-Difference Time-Domain Method, Artech House, 1998.

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Dou, W.B., Yung, E.K.N. FDTD Simulation for the Focusing Property of Extended Hemispherical Lens as Receiving Antenna. International Journal of Infrared and Millimeter Waves 21, 2077–2086 (2000). https://doi.org/10.1023/A:1006744822972

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  • DOI: https://doi.org/10.1023/A:1006744822972

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