Finite-size nondiffracting beam from a subwavelength metallic hole with concentric dielectric gratings
Applied Optics, Vol. 48, Issue 31, pp. G68-G72 (2009)
http://dx.doi.org/10.1364/AO.48.000G68
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Abstract
We show that finite-size nondiffracting beams can be generated by a subwavelength metallic hole with surrounding dielectric grating structures. An analytic field model that describes the diffractive formation of finite-size nondiffracting beams is addressed. The generation of finite-size nondiffracting beams from a subwavelength metallic hole with surrounding concentric dielectric binary gratings is numerically demonstrated by three-dimensional rigorous coupled wave analysis.
© 2009 Optical Society of America
OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5300) Optoelectronics : Photonic integrated circuits
History
Original Manuscript: June 5, 2009
Revised Manuscript: September 3, 2009
Manuscript Accepted: September 4, 2009
Published: September 21, 2009
Citation
Hwi Kim, Junghyun Park, and Byoungho Lee, "Finite-size nondiffracting beam from a subwavelength metallic hole with concentric dielectric gratings," Appl. Opt. 48, G68-G72 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-31-G68
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