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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 16 — Aug. 3, 2009
  • pp: 13946–13952

Optics InfoBase > Optics Express > Volume 17 > Issue 16 > Page 13946

Recording Bessel-like beam shapes generated by plasmonics lens

C. K. Chang, Y. Y. Yu, M. W. Lai, J. T. Yeh, J. M. Liu, C. S. Yeh, and C. K. Lee  »View Author Affiliations


Optics Express, Vol. 17, Issue 16, pp. 13946-13952 (2009)
http://dx.doi.org/10.1364/OE.17.013946


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Abstract

In our study, we spun a negative photoresist layer on top of a plasmonic lens which was formed by adopting a metallic ring structure with a nano-scale width opening. We recorded the beam shape of the Bessel-like beam emitting from the plasmonic lens which formed a high aspect ratio structure. We found that the high aspect ratio structure was higher after exposure as the inner and outer diameter had increased. In addition, we used an oblique incidence on the negative resist metallic ring structure to produce an inclined micro-structure. Different exposure results were obtained with the two different metal thicknesses. Therefore, in our study, we not only proved that it is possible to record the shape of a Bessel-like beam, but we also demonstrated that it is possible to create a plasmonic lens which is capable of creating a high aspect ratio structure through exposure.

© 2009 OSA

OCIS Codes
(230.4000) Optical devices : Microstructure fabrication
(240.6680) Optics at surfaces : Surface plasmons
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Optics at Surfaces

History
Original Manuscript: April 27, 2009
Revised Manuscript: July 15, 2009
Manuscript Accepted: July 23, 2009
Published: August 3, 2009

Citation
C. K. Chang, Y. Y. Yu, M. W. Lai, J. T. Yeh, J. M. Liu, C. S. Yeh, and C. K. Lee, "Recording Bessel-like beam shapes generated by plasmonics lens," Opt. Express 17, 13946-13952 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-16-13946


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