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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 19 — Sep. 23, 2013
  • pp: 22532–22539

Pulsed dipole radiation in a transformation-optics wedge waveguide designed by azimuthal space compression

Heungjoon Kim, Seung Pil Pack, Yun Yi, and Hwi Kim  »View Author Affiliations


Optics Express, Vol. 21, Issue 19, pp. 22532-22539 (2013)
http://dx.doi.org/10.1364/OE.21.022532


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Abstract

A transformation-optics wedge waveguide designed for the simultaneous collection and directional collimation of pulsed dipole radiation is described and tested with numerical simulation. Azimuthal compression of free space toward a narrow fan-shaped waveguide sector allows dipole pulse radiation in free space to be transformed into a directional non-dispersive pulse propagating within that sector. The collection and collimation ability of the proposed structure is compared with classical approaches using metallic wedge mirrors and parabolic mirrors, which inherently allow multiple internal reflections and thus generate significant pulse distortion and low light-collection efficiency. It is shown that the optical pulse generated by the dipole and propagated through the proposed transformation-optics waveguide maintains its original shape within the structure, and demonstrates enhanced optical power.

© 2013 OSA

OCIS Codes
(080.2710) Geometric optics : Inhomogeneous optical media
(220.2740) Optical design and fabrication : Geometric optical design
(260.1180) Physical optics : Crystal optics
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Physical Optics

History
Original Manuscript: May 20, 2013
Revised Manuscript: August 28, 2013
Manuscript Accepted: September 2, 2013
Published: September 17, 2013

Citation
Heungjoon Kim, Seung Pil Pack, Yun Yi, and Hwi Kim, "Pulsed dipole radiation in a transformation-optics wedge waveguide designed by azimuthal space compression," Opt. Express 21, 22532-22539 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-19-22532


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