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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 15 — Jul. 26, 2004
  • pp: 3509–3514

Sensitivity-tunable optical sensors based on surface plasmon resonance and phase detection

Chien-Ming Wu and Ming-Chi Pao  »View Author Affiliations

Optics Express, Vol. 12, Issue 15, pp. 3509-3514 (2004)

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We present an improved optical sensor based on surface plasmon resonance and phase detection. The sensor incorporates a surface plasmon resonance (SPR) device and a total internal reflection (TIR) device. In addition, a quarter-wave-plate (QWP) is placed in front of and behind the sensor. This gives rise to the optimization of the response curve and then the sensitivity. Theoretical simulations have been developed and verified by experimental results. With this new design, we obtain a sensitivity-tunable optical sensor whose resolving ability of refractive index is 1×10-6 RI.

© 2004 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(130.6010) Integrated optics : Sensors

ToC Category:
Research Papers

Original Manuscript: May 21, 2004
Revised Manuscript: July 1, 2004
Published: July 26, 2004

Chien-Ming Wu and Ming-Chi Pao, "Sensitivity-tunable optical sensors based on surface plasmon resonance and phase detection," Opt. Express 12, 3509-3514 (2004)

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