Transformation Optics
Roadmap on Transformation Optics
... transformations optics and the design and fabrication of novel electromagnetic materials, antenna engineers have been equipped with new design tools which provide entirely fresh solutions to classical problems ...
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Design of a Pyramidal Horn Antenna with Low E-Plane Sidelobes Using Transformation Optics
... Transformation optics (TO) offers a great opportunity to control the field distribution by assigning material spatial ...coordinate transformation [10–12] if the elements of constitutive tensors (the ...
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Ray-optical transformation optics with ideal thin lenses makes omnidirectional lenses
... Transformation optics (TO) [1, 2] is a relatively new, and highly active, research field. It uses the mathematics of differential geometry to design novel structures, capable of bending light in interesting ...
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Design of a Broadband Right-Angled Bend Using Transformation Optics
... conformal transformation optics is proposed which guides the input electromagnetic wave smoothly through the waveguide, reduces the reflections and broadens the bandwidth of the device ...
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Transformation optics, isotropic chiral media and non Riemannian geometry
... of transformation optics presented in section 2, geometry is implemented for the purpose of directing rays, and polarization is a bystander, responding in a way that is determined by the ...
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High-Gain Planar Lens Antennas Based on Transformation Optics and Substrate-Integrated Waveguide (SIW) Technology
... embedded transformation-optics lenses, both narrow beamwidth of 12 ◦ and low sidelobe levels of − 23 dB are achieved for the H -plane radiation patterns by a single ...designed ...
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Transformation Optics Using Graphene: One-Atom-Thick Optical Devices Based on Graphene
... suggesting that graphene might also be an excellent medium for enhanced light-matter interaction. It was noted that this high Purcell factor is largely due to the very small mode volume of the cavity rather than very ...
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A Planar Focusing Antenna Design with the Quasi-Conformal Mapping
... with transformation optics is that the resulting materials are, in most cases, inhomogeneous and anisotropic, and may have singular-valued material parameters [30, 31], which severely hinders the practical ...
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Reciprocal Invisible Cloak with Homogeneous Metamaterials
... About forty years ago, Veselago [1] studied a theoretical material with simultaneously negative permittivity and permeability, and predicted that it would have a negative index of refraction. This study had not attracted ...
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Transformation Optical User Friendly Interface for Designing Metamaterials
... Abstract. Transformation optics offers a procedure to design the structures of metamaterials to find the material parameters needed in various ...a transformation optics is too ...and ...
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A New Algorithm of Self Organization in Wireless Sensor Network
... [19] H. Kalita, “A new algorithm for ordering of points to identify clustering structure based on perimeter of trian- gle: Optics(bopt),” Master’s thesis, Department of Com- puter Sc & IT, Tezpur University, ...
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Application and Development of Wavefront Sensor Technology
... Adaptive optics (AO) is the main method to compensate wavefront distortion to reduce the wavefront aberration of astronomical telescope imaging under the pupil surface, so that the system is always in the best ...
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The Use of Magic in Optics in Higher Education
... geometrical optics onto the forming of images (conver- gent and divergent simple lenses, mirrors, association of two simple lenses); this part of the work was relatively ...
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Monolithic integration of a quantum emitter with a compact on-chip beam-splitter
... linear optics quantum computing (LOQC) represents a significant step towards scalable optical quantum information ...Integrated optics offers a route forward to achieving the high component density that ...
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Impact of including pre-defined object on high resolution assessments
... • List of vertices to be referenced by other types • Mass surface pairs name, composition, optics, usage and/or IESNA, ordered list of edges • Boundary surfaces name, composition, optics[r] ...
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Modern technologies for retinal scanning and imaging: an introduction for the biomedical engineer
... Figure 12 shows the basic design of a RBS system. A “scanning” near-infrared source of polarized light, typically a low-power laser diode, produces linearly vertically po- larized light at wavelength λ ( λ =785 … 830 ...
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Visual acuity of fly photoreceptors in natural conditions dependence on UV sensitizing pigment and light controlling pupil
... The pupil is well able to achieve a high acuity by cutting out the higher order waveguide modes, but the case of the fly R1–R6 photoreceptors shows that acuity is not pushed to the lowest values achievable. Because ...
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Comprehensive Modeling of Multimode Fiber Sensors for Refractive Index Measurement and Experimental Validation
... The intensive effort invested in laser and optical fiber research since the 1960’s has led to an exponential growth in the development of optical fiber sensor (OFS) technologies. The aftermath of a successful trial ...
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Radar Cross Section Analysis Using Physical Optics and Its Applications to Marine Targets
... geometric optics (GO) and physical optics (PO) methods, coating effect by using Fresnel reflection coefficient, and response time pattern for detected ...
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Free Space Optics – A Review
... F. Line-of-Sight Obstructions: Light has not been able to passing the opaque mediums, objects like birds, planes and people. Due to this reason light beam can be blocked and the services momentarily may get interrupted ...
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