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has been cited by the following article:

• TITLE: Design of a Silicon Overlay Glass Waveguide Sensor

  AUTHORS: Kristian E. Medri, Robert C. Gauthier

  KEYWORDS: Refractive Index Sensor, Slab Waveguide, Patterned High Dielectric Overlay, FDTD, Integrated Optics

  JOURNAL NAME: Optics and Photonics Journal, Vol.1 No.4, December 5, 2011

  ABSTRACT: A glass based slab waveguide, coated with a thin patterned high dielectric overlay, is configured into a refractive index sensor. The asymmetric nature of the waveguide configuration is exploited by keeping the mode in the slab waveguide while enhancing the field level in the overlay-superstrate. The sensor's response is examined using the FDTD simulation technique. A sensitivity of up to one part in 105 in the index of refraction discrimination is determined. The nature of the sensor ensures optical fibre compatibility, requires sub-µL sample volumes and provides a high resolution.