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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22953–22960

Gain-assisted Hybrid-superlens Hyperlens for Nano Imaging

Yao Ting Wang, Bo Han Cheng, You Zhe Ho, Yung-Chiang Lan, Pi-Gang Luan, and Din Ping Tsai  »View Author Affiliations

Optics Express, Vol. 20, Issue 20, pp. 22953-22960 (2012)

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We propose an innovative active imaging device named gain-assisted hybrid-superlens hyperlens and examine its resolving power theoretically. This semi-cylindrical device consists of a core of semi-cylindrical super-lens and a half cylindrical outer shell of hyperlens. Both the superlens and hyperlens parts of the device are appropriately designed multi-layered metal-dielectric structures having indefinite eigenvalues of dielectric tensors. The dielectric layers of the hyperlens are doped with Coumarin, which play the role of gain medium. The gain medium is analyzed thoroughly using a generic four-level system model, and the permittivity of the gain medium is extracted from this analysis for simulating the imaging characteristics of the device. According to our simulation at wavelength of 365 nm, an excellent resolution power much better than the diffraction limit value can be achieved.

© 2012 OSA

OCIS Codes
(100.6640) Image processing : Superresolution
(110.0180) Imaging systems : Microscopy
(160.1190) Materials : Anisotropic optical materials
(160.3380) Materials : Laser materials
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: July 30, 2012
Revised Manuscript: September 13, 2012
Manuscript Accepted: September 15, 2012
Published: September 21, 2012

Virtual Issues
Vol. 7, Iss. 11 Virtual Journal for Biomedical Optics

Yao Ting Wang, Bo Han Cheng, You Zhe Ho, Yung-Chiang Lan, Pi-Gang Luan, and Din Ping Tsai, "Gain-assisted Hybrid-superlens Hyperlens for Nano Imaging," Opt. Express 20, 22953-22960 (2012)

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