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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 16 — Jun. 1, 2012
  • pp: 3258–3262

Distinguishing octane grades in gasoline using terahertz metamaterials

J. Li, Z. Tian, Y. Chen, W. Cao, and Z. Zeng  »View Author Affiliations

Applied Optics, Vol. 51, Issue 16, pp. 3258-3262 (2012)

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Distinguishing octane numbers of commercial gasoline is experimentally demonstrated by use of single split-ring resonator metamaterials functioning at terahertz frequencies. The differences in frequency-dependent absorption coefficients and refractive indices of various grades of gasoline lead to a modification in the surrounding dielectric environment and consequently the resonance properties of the planar metamaterials. This consequently enables a distinct frequency shift in the inductive-capacitive electric dipolar resonances. This paper reveals that such metamaterial arrays, as highly sensitive chemical sensors, have promising potential in petroleum industrial applications.

OCIS Codes
(160.3918) Materials : Metamaterials
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:

Original Manuscript: February 13, 2012
Revised Manuscript: April 8, 2012
Manuscript Accepted: April 9, 2012
Published: May 23, 2012

J. Li, Z. Tian, Y. Chen, W. Cao, and Z. Zeng, "Distinguishing octane grades in gasoline using terahertz metamaterials," Appl. Opt. 51, 3258-3262 (2012)

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