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Body-of-revolution finite-difference time-domain for rigorous analysis of three-dimensional axisymmetric transformation optics lenses |
Optics Letters, Vol. 38, Issue 1, pp. 67-69 (2013)
http://dx.doi.org/10.1364/OL.38.000067
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Abstract
A body-of-revolution finite-difference time-domain (BOR-FDTD) method was developed and employed to rigorously analyze axisymmetric transformation optics (TO) lenses. The novelty of the proposed BOR-FDTD technique is that analytical expressions were derived and presented to introduce obliquely incident plane waves into the total-field/scattered-field formulation, allowing for accurate simulation of BOR objects in layered media illuminated by obliquely incident waves. The accuracy of the proposed method was verified by comparing numerical results with analytical solutions. The developed code was further utilized to study the imaging properties of a cylindrical TO Luneburg lens on a substrate, demonstrating the desired focusing of light onto a flat plane.
© 2012 Optical Society of America
OCIS Codes
(110.2760) Imaging systems : Gradient-index lenses
(050.1755) Diffraction and gratings : Computational electromagnetic methods
ToC Category:
Imaging Systems
History
Original Manuscript: July 16, 2012
Revised Manuscript: November 29, 2012
Manuscript Accepted: December 2, 2012
Published: December 20, 2012
Citation
Xiande Wang, Qi Wu, Jeremiah P. Turpin, and Douglas H. Werner, "Body-of-revolution finite-difference time-domain for rigorous analysis of three-dimensional axisymmetric transformation optics lenses," Opt. Lett. 38, 67-69 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-1-67
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