TRANSFORMATION OPTICS AND APPLICATIONS IN MICROWAVE FREQUENCIES (Invited Paper)
نویسندگان
چکیده
منابع مشابه
Transformation Optics and Applications in Microwave Frequencies
Modern electrical and communication technologies benefit from classical electrodynamics and electric circuits, both of which are based on the Maxwell’s equations. Using the property of metric invariance in Maxwell’s Equations, transformation optics has been proposed and achieves a rapid progress in the past decade. Transformation optics is a method for the conceptual design of complex electroma...
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Transformation optics is an emergent field of engineering with a great impact on recent developments in advanced optical devices. With the help of differential geometry, transformation optics allows us to fully control electromagnetic fields in an unprecedented manner. On the other hand, variational principles mathematically describe in a concise and elegant way a great variety of natural pheno...
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Based on transformation optics, we propose an illusion device that can make objects look much smaller and different than they actually are. In particular, the device has a capability to hide a large object (like an elephant) into a small one (like a matchbox). Compared to previous proposals for illusion devices, there is no requirement for negative refractive index or for spee...
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Irregularities are inherent to virtually all fibers, including the conventional textile fibers, the high-performance brittle fibers and newly developed nano-fibers. These irregularities can fall into two main categories: dimensional or geometrical irregularity (external) and structural irregularity (internal). For natural fibers such as wool, diameter variation along fiber length is atypical ex...
متن کاملTransformation Electromagnetics and Optics
An overview of the transformation electromagnetics/optics design technique is presented. Illustrative example designs for invisibility cloaks, beam control devices, lenses as well as applications to radiation problems are shown. Quasi-conformal transformations in two dimensions and their applications to cloaks and virtual arrays are discussed.
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ژورنال
عنوان ژورنال: Progress In Electromagnetics Research
سال: 2014
ISSN: 1559-8985
DOI: 10.2528/pier14102506