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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 1994–1996

Imaging with subwavelength resolution by a generalized superlens at infrared wavelengths

B. D.F. Casse, W. T. Lu, R. K. Banyal, Y. J. Huang, S. Selvarasah, M. R. Dokmeci, C. H. Perry, and S. Sridhar  »View Author Affiliations

Optics Letters, Vol. 34, Issue 13, pp. 1994-1996 (2009)

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We demonstrate experimentally negative refraction by a photonic crystal prism and imaging of a point source by a photonic crystal slab at 1.5 μ m wavelength. The photonic crystal structures were nanofabricated in a In Ga As P In P heterostructure platform, and optical characterization was performed using a near-field scanning optical microscope. By designing a suitable lens surface termination, an image spot size of 0.12 λ 2 was achieved, demonstrating superlens imaging with subwavelength resolution well below Abbe’s diffraction limit ( 0.5 λ 2 ) .

© 2009 Optical Society of America

OCIS Codes
(110.3080) Imaging systems : Infrared imaging
(160.1245) Materials : Artificially engineered materials

ToC Category:

Original Manuscript: March 18, 2009
Revised Manuscript: May 28, 2009
Manuscript Accepted: May 31, 2009
Published: June 24, 2009

B. D. F. Casse, W. T. Lu, R. K. Banyal, Y. J. Huang, S. Selvarasah, M. R. Dokmeci, C. H. Perry, and S. Sridhar, "Imaging with subwavelength resolution by a generalized superlens at infrared wavelengths," Opt. Lett. 34, 1994-1996 (2009)

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