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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 26, Iss. 2 — Feb. 1, 2009
  • pp: 259–264

Exact off-resonance near fields of small-size extended hemielliptic 2-D lenses illuminated by plane waves

Artem V. Boriskin, Ronan Sauleau, and Alexander I. Nosich  »View Author Affiliations


JOSA A, Vol. 26, Issue 2, pp. 259-264 (2009)
http://dx.doi.org/10.1364/JOSAA.26.000259


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Abstract

The near fields of small-size extended hemielliptic lenses made of rexolite and isotropic quartz and illuminated by E- and H-polarized plane waves are studied. Variations in the focal domain size, shape, and location are reported versus the angle of incidence of the incoming wave. The problem is solved numerically in a two-dimensional formulation. The accuracy of results is guaranteed by using a highly efficient numerical algorithm based on the combination of the Muller boundary integral equations, the method of analytical regularization, and the trigonometric Galerkin discretization scheme. The analysis fully accounts for the finite size of the lens as well as its curvature and thus can be considered as a reference solution for other electromagnetic solvers. Moreover, the trusted description of the focusing ability of a finite-size hemielliptic lens can be useful in the design of antenna receivers.

© 2009 Optical Society of America

OCIS Codes
(040.1240) Detectors : Arrays
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.3630) Optical design and fabrication : Lenses
(040.2235) Detectors : Far infrared or terahertz

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: September 9, 2008
Manuscript Accepted: November 20, 2008
Published: January 22, 2009

Citation
Artem V. Boriskin, Ronan Sauleau, and Alexander I. Nosich, "Exact off-resonance near fields of small-size extended hemielliptic 2-D lenses illuminated by plane waves," J. Opt. Soc. Am. A 26, 259-264 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-2-259

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