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Modeling and Design of Thin Film Waveguides Terminated with Nano-optical Transducers (NanoTransducer)
Start date: 01 Jul 2008, End date: 30 Jun 2012 PROJECT  FINISHED 

Nano-optics is a rapidly growing field with potential uses in many practical applications. Near-field optical techniques that enhance localized surface plasmons are potential candidates for obtaining intense optical spots beyond the diffraction limit for various practical applications. Nano-optical transducers can be utilized in a traditional optical system to obtain spots beyond the diffraction limit. This system has a number of disadvantages for potential use in consumer electronic markets due to its large body mass, size, price, and difficulties in mass production. A thin film waveguide with planar optical lenses and mirrors having a nano-optical transducer around the focus can address these problems. In this work electromagnetic and thermal modeling and design tools will be developed to investigate this device. A volume integral equation based solution will be used for the solution of Maxwell’s equation, and a finite element method based solution will be used for the solution of heat transfer equation. Designs will be identified to obtain small optical spots beyond the diffraction limit. Designs will also be optimized to obtain high transmission efficiency, which is necessary for practical applications such as data storage. The heating of the designs will be investigated.
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