Engineering Space for Light via Transformation Optics

@misc{citeulike:2500361, abstract = {Conceptual studies and numerical simulations are performed for imaging devices that transform a near-field pattern into magnified far-zone images and are based on high-order spatial transformation in cylindrical domains. A lens translating a near-field pattern from an almost circular input boundary onto a magnified far-field image at a flat output boundary is considered. The lens is made of a metamaterial with anisotropic permittivity and permeability both depending on a single 'scaling' parameter of the transformation. Open designs of the lens with a truncated body ('3/4-body' and '1/4-body' lenses) are suggested and analyzed. It is shown that the ideal full-lens and the '3/4-body' lens produce identical images. Numerical simulations of '1/4-body' designs indicate that further truncation of the lens could limit its per-formance. A light concentrator, "focusing" far-zone fields into a nanometer-scale area, is also considered.}, author = {Kildishev, Alexander V. and Shalaev, Vladimir M. }, citeulike-article-id = {2500361}, eprint = {0711.0183}, keywords = {cloaking}, month = {Nov}, posted-at = {2008-03-10 12:36:16}, priority = {2}, title = {Engineering Space for Light via Transformation Optics}, url = {http://arxiv.org/abs/0711.0183}, year = {2007} }

TY - ELEC ID - citeulike:2500361 L3 - citeulike-article-id:2500361 TI - Engineering Space for Light via Transformation Optics N2 - Conceptual studies and numerical simulations are performed for imaging devices that transform a near-field pattern into magnified far-zone images and are based on high-order spatial transformation in cylindrical domains. A lens translating a near-field pattern from an almost circular input boundary onto a magnified far-field image at a flat output boundary is considered. The lens is made of a metamaterial with anisotropic permittivity and permeability both depending on a single 'scaling' parameter of the transformation. Open designs of the lens with a truncated body ('3/4-body' and '1/4-body' lenses) are suggested and analyzed. It is shown that the ideal full-lens and the '3/4-body' lens produce identical images. Numerical simulations of '1/4-body' designs indicate that further truncation of the lens could limit its per-formance. A light concentrator, "focusing" far-zone fields into a nanometer-scale area, is also considered. KW - cloaking AU - Kildishev, Alexander AU - Shalaev, Vladimir PY - 2007/Nov/01/ UR - http://arxiv.org/abs/0711.0183 ER -