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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 16 — Jun. 1, 2005
  • pp: 3174–3178

Construction of refractive-index profiles of planar waveguides with additional information obtained from surface plasmon resonance

Haidong Zhu, Zhuangqi Cao, and Qishun Shen  »View Author Affiliations


Applied Optics, Vol. 44, Issue 16, pp. 3174-3178 (2005)
http://dx.doi.org/10.1364/AO.44.003174


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Abstract

A surface plasmon resonance (SPR) is excited between a metal film and a graded-index planar waveguide. After the propagation constant of the SPR is measured, the refractive index near the surface of the waveguides, which is difficult to obtain by conventional techniques, is determined experimentally. With this nondestructive technique, combined with the inverse analytical transfer matrix method, the planar waveguide can be profiled to a high degree of accuracy.

© 2005 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(240.0240) Optics at surfaces : Optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons

History
Original Manuscript: September 23, 2004
Revised Manuscript: December 3, 2004
Manuscript Accepted: December 19, 2004
Published: June 1, 2005

Citation
Haidong Zhu, Zhuangqi Cao, and Qishun Shen, "Construction of refractive-index profiles of planar waveguides with additional information obtained from surface plasmon resonance," Appl. Opt. 44, 3174-3178 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-16-3174


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