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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 6 — Mar. 15, 2009
  • pp: 749–751

High-performance sensor based on surface plasmon resonance with chalcogenide prism and aluminum for detection in infrared

Rajan Jha and Anuj K. Sharma  »View Author Affiliations

Optics Letters, Vol. 34, Issue 6, pp. 749-751 (2009)

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A high-accuracy aluminum-based surface plasmon resonance (SPR) chalcogenide sensor is proposed for IR. The structure is based on widely used 2S2G chalcogenide glass with aluminum as the SPR active metal. The angular interrogation method has been used to study the performance of the sensor in terms of intrinsic sensitivity (IS) that includes the width and shifts of the SPR curve for a given refractive index of sensing layer. The IS of Al-based chalcogenide glass sensor is almost 400% more as compared with an Au-based one, which is the most widely used SPR active metal. The oxidation problem of an Al-based SPR sensor has been addressed.

© 2009 Optical Society of America

OCIS Codes
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(130.3060) Integrated optics : Infrared
(130.6010) Integrated optics : Sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Integrated Optics

Original Manuscript: December 2, 2008
Revised Manuscript: January 18, 2009
Manuscript Accepted: January 20, 2009
Published: March 6, 2009

Rajan Jha and Anuj K. Sharma, "High-performance sensor based on surface plasmon resonance with chalcogenide prism and aluminum for detection in infrared," Opt. Lett. 34, 749-751 (2009)

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