We study ray dynamics inside the hyperlens, a device capable of sub-diffraction-limited far-field imaging. An analytical result for the ray trajectories inside the hyperlens is obtained using Hamiltonian optics, which offers an alternative description of the device. It is also found that the ray trajectories can exhibit a unique spiraling nature inside the device. Numerical simulations of plane wave and Gaussian beam scattering from the hyperlens confirm the semiclassical description.
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The analytical solutions of the electromagnetic waves in the inhomogeneous cylindrical hyperlens (CH) comprising concentric cylindrical layers (CCLs) with multiple point sources located either outside the structure in the focusing process or inside the core in the magnifying process are obtained by means of Green's function analysis. The solutions are consistent with FDTD simulation in both processes. The sub-wavelength focal spot λ/16.
View Article and Find Full Text PDFSemiclassical theory of the hyperlens.
J Opt Soc Am A Opt Image Sci Vis
October 2007
Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08540, USA.
We study ray dynamics inside the hyperlens, a device capable of sub-diffraction-limited far-field imaging. An analytical result for the ray trajectories inside the hyperlens is obtained using Hamiltonian optics, which offers an alternative description of the device. It is also found that the ray trajectories can exhibit a unique spiraling nature inside the device.
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