Abstract

We designed plasmonic lenses and analyzed their chromatic aberration using the finite element method (FEM) in frequency domain with perfectly matched layers (PML). Plasmonic lenses permit subwavelength focusing of light in the visible and in the near infrared. The focal distance of these devices depends on the wavelength operation due to the dispersive characteristics of the lens structures and the refractive index of their constituent materials. With a uniform incident wave normal to the lens surface, focusing of light by surface plasmon polariton (SPPs) through a plasmonic lens is obtained in the axial direction. The design of three plasmonic lenses in Silver (Ag), Gold (Au) and Copper (Cu) films at two central operation wavelengths of 650 nm and 810 nm, in both, cylindrical and rectangular geometries were considered and the chromatic aberration of the lenses were analyzed by monitoring the peak position of the electromagnetic (EM) field when the wavelength changes from 625 nm to 675 nm and from 785 nm to 835 nm..

© 2013 IEEE

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  1. H. Shi, C. Wang, C. Du, X. Luo, X. Dong, H. Gao, "Beam manipulating by metallic nano-slits with variant widths," Opt. Exp. 13, 6815-6820 (2005).
  2. T. Xu, C. Du, C. Wang, X. Luo, "Subwavelength imaging by metallic slab lens with nanoslits," Appl. Phys. Lett. 91, 201501 (2007).
  3. Y. Zhao, S. Lin, A. A. Nawaz, B. Kiraly, Q. Hao, Y. Liu, T. J. Huang, "Beam bending via plasmonic lenses," Opt. Exp. 18, 23458-23465 (2010).
  4. X. Hu, C. T. Chan, "Photonic crystals with silver nanowires as a near-infrared superlens," Appl. Phys. Lett. 85, 1520 (2004).
  5. N. Engheta, A. Salandrino, A. Alu, "Circuit elements at optical frequencies: Nanoinductors, nanocapacitors, and nanoresistors," Phys.l Rev. Lett. 95, 095504 (2005).
  6. R. Merlin, "Radiationless electromagnetic interference: Diffractive evanescent-field lenses and perfect focusing," Sci. 317, 927-929 (2007).
  7. A. Grbic, R. Merlin, "Near-field focusing plates and their design," IEEE Trans. Antennas Propag. 56, 3159-3165 (2007).
  8. E. D. Palik, Handbook of Optical Constants of Solids (Academic, 1995).
  9. Y. Tsuji, M. Koshiba, "Finite element method using port truncation by perfectly matched layer boundary conditions for optical waveguide discontinuity problems," J. Lightw. Technol. 20, 463-470 (2002).
  10. C. E. Rubio-Mercedes, H. E. Hernández-Figueroa, "Padé boundary conditions for the finite-element solution of arbitrary planar junctions," J. Lightw. Technol. 22, 669-676 (2004).
  11. C. E. Rubio-Mercedes, V. F. Rodriguez-Esquerre, A. M. Ferreira Frasson, H. E. Hernandez-Figueroa, "Novel FEM approach for the analysis of cylindrically symmetric photonic devices," J. Lightw. Technol. 27, 4717-4721 (2009).
  12. V. F. Rodríguez-Esquerre, D. F. Rego, E. Telmo, C. E. Rubio-Mercedes, C. Aparecida, H. E. Hernández-Figueroa, "Analysis and desing of subwavelength focusing by cylindrical lenses," Proc. Ann. IMOC 2009 – Int. Microwave and Optoelectronic Conf. IEEE (2009).

2010 (1)

Y. Zhao, S. Lin, A. A. Nawaz, B. Kiraly, Q. Hao, Y. Liu, T. J. Huang, "Beam bending via plasmonic lenses," Opt. Exp. 18, 23458-23465 (2010).

2009 (1)

C. E. Rubio-Mercedes, V. F. Rodriguez-Esquerre, A. M. Ferreira Frasson, H. E. Hernandez-Figueroa, "Novel FEM approach for the analysis of cylindrically symmetric photonic devices," J. Lightw. Technol. 27, 4717-4721 (2009).

2007 (3)

T. Xu, C. Du, C. Wang, X. Luo, "Subwavelength imaging by metallic slab lens with nanoslits," Appl. Phys. Lett. 91, 201501 (2007).

R. Merlin, "Radiationless electromagnetic interference: Diffractive evanescent-field lenses and perfect focusing," Sci. 317, 927-929 (2007).

A. Grbic, R. Merlin, "Near-field focusing plates and their design," IEEE Trans. Antennas Propag. 56, 3159-3165 (2007).

2005 (2)

N. Engheta, A. Salandrino, A. Alu, "Circuit elements at optical frequencies: Nanoinductors, nanocapacitors, and nanoresistors," Phys.l Rev. Lett. 95, 095504 (2005).

H. Shi, C. Wang, C. Du, X. Luo, X. Dong, H. Gao, "Beam manipulating by metallic nano-slits with variant widths," Opt. Exp. 13, 6815-6820 (2005).

2004 (2)

X. Hu, C. T. Chan, "Photonic crystals with silver nanowires as a near-infrared superlens," Appl. Phys. Lett. 85, 1520 (2004).

C. E. Rubio-Mercedes, H. E. Hernández-Figueroa, "Padé boundary conditions for the finite-element solution of arbitrary planar junctions," J. Lightw. Technol. 22, 669-676 (2004).

2002 (1)

Y. Tsuji, M. Koshiba, "Finite element method using port truncation by perfectly matched layer boundary conditions for optical waveguide discontinuity problems," J. Lightw. Technol. 20, 463-470 (2002).

Appl. Phys. Lett. (1)

T. Xu, C. Du, C. Wang, X. Luo, "Subwavelength imaging by metallic slab lens with nanoslits," Appl. Phys. Lett. 91, 201501 (2007).

Appl. Phys. Lett. (1)

X. Hu, C. T. Chan, "Photonic crystals with silver nanowires as a near-infrared superlens," Appl. Phys. Lett. 85, 1520 (2004).

IEEE Trans. Antennas Propag. (1)

A. Grbic, R. Merlin, "Near-field focusing plates and their design," IEEE Trans. Antennas Propag. 56, 3159-3165 (2007).

J. Lightw. Technol. (1)

C. E. Rubio-Mercedes, V. F. Rodriguez-Esquerre, A. M. Ferreira Frasson, H. E. Hernandez-Figueroa, "Novel FEM approach for the analysis of cylindrically symmetric photonic devices," J. Lightw. Technol. 27, 4717-4721 (2009).

J. Lightw. Technol. (1)

Y. Tsuji, M. Koshiba, "Finite element method using port truncation by perfectly matched layer boundary conditions for optical waveguide discontinuity problems," J. Lightw. Technol. 20, 463-470 (2002).

J. Lightw. Technol. (1)

C. E. Rubio-Mercedes, H. E. Hernández-Figueroa, "Padé boundary conditions for the finite-element solution of arbitrary planar junctions," J. Lightw. Technol. 22, 669-676 (2004).

Opt. Exp. (2)

Y. Zhao, S. Lin, A. A. Nawaz, B. Kiraly, Q. Hao, Y. Liu, T. J. Huang, "Beam bending via plasmonic lenses," Opt. Exp. 18, 23458-23465 (2010).

H. Shi, C. Wang, C. Du, X. Luo, X. Dong, H. Gao, "Beam manipulating by metallic nano-slits with variant widths," Opt. Exp. 13, 6815-6820 (2005).

Phys.l Rev. Lett. (1)

N. Engheta, A. Salandrino, A. Alu, "Circuit elements at optical frequencies: Nanoinductors, nanocapacitors, and nanoresistors," Phys.l Rev. Lett. 95, 095504 (2005).

Sci. (1)

R. Merlin, "Radiationless electromagnetic interference: Diffractive evanescent-field lenses and perfect focusing," Sci. 317, 927-929 (2007).

Other (2)

E. D. Palik, Handbook of Optical Constants of Solids (Academic, 1995).

V. F. Rodríguez-Esquerre, D. F. Rego, E. Telmo, C. E. Rubio-Mercedes, C. Aparecida, H. E. Hernández-Figueroa, "Analysis and desing of subwavelength focusing by cylindrical lenses," Proc. Ann. IMOC 2009 – Int. Microwave and Optoelectronic Conf. IEEE (2009).

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