The influence of material and thickness on the subwavelength imaging performance of a negative dielectric constant slab is studied. Resonance in the plane-wave transfer function produces a high spatial frequency ripple that could be useful in fabricating periodic structures. A cost function based on the plane-wave transfer function provides a useful metric to evaluate the planar slab lens performance, and using this, the optimal slab dielectric constant can be determined.
© 2008 Optical Society of America
Original Manuscript: May 27, 2008
Manuscript Accepted: August 10, 2008
Published: October 31, 2008
Shivanand, Huikan Liu, and Kevin J. Webb, "Imaging performance of an isotropic negative dielectric constant slab," Opt. Lett. 33, 2562-2564 (2008)