The course provides solid understanding of advanced electromagnetic phenomena, with particular emphasis on the propagation of electromagnetic waves in guided structures and the interaction of the electromagnetic field with natural/artificial/biological materials. The considered applicative scenarios will be in wireless systems and bio-electromagnetics.
teacher profile teaching materials
Artificial electromagnetic materials and metamaterials. Anomalous interaction between electromagnetic field and artificial matter. Negative index materials. Electric and magnetic polarizability of artificial atoms and molecules. Macroscopic response of artificial electromagnetic materials. Metamaterials applications. Miniaturization and electromagnetic invisibility. Transmission line metamaterials. Metasurfaces.
Guided propagation of electromagnetic fields. Decomposition of the electromagnetic field in guiding structures. Rectangular, circular, and co-axial waveguides. Parallel-plate waveguides. Microstrip waveguides. Dielectric waveguides. Surface plasmon polaritons.
Electromagnetic imaging and sensing. Regular lens and diffraction limit. Superlenses. Hyperlenses. Near-field-scanning optical microscope (NSOM). Aperture and apertureless NSOM tips. Advanced imaging with partially cloaked tips. Electromagnetic sensors. Biological sensors.
Mutuazione: 20810110 ADVANCED ELECTROMAGNETICS in Ingegneria delle tecnologie della comunicazione e dell'informazione LM-27 BILOTTI FILIBERTO
Programme
Fundamentals of electromagnetic field theory. Interaction between the electromagnetic field and natural materials at the microscopic and macroscopic level. Polarization and magnetization of atoms and molecules. Local field and interaction field. Electric and magnetic polarizability of atoms and molecules. Macroscopic constitutive relations. Anisotropy. Bi-anisotropy and chirality. Local and non-local material response. Reciprocal and non-reciprocal material response.Artificial electromagnetic materials and metamaterials. Anomalous interaction between electromagnetic field and artificial matter. Negative index materials. Electric and magnetic polarizability of artificial atoms and molecules. Macroscopic response of artificial electromagnetic materials. Metamaterials applications. Miniaturization and electromagnetic invisibility. Transmission line metamaterials. Metasurfaces.
Guided propagation of electromagnetic fields. Decomposition of the electromagnetic field in guiding structures. Rectangular, circular, and co-axial waveguides. Parallel-plate waveguides. Microstrip waveguides. Dielectric waveguides. Surface plasmon polaritons.
Electromagnetic imaging and sensing. Regular lens and diffraction limit. Superlenses. Hyperlenses. Near-field-scanning optical microscope (NSOM). Aperture and apertureless NSOM tips. Advanced imaging with partially cloaked tips. Electromagnetic sensors. Biological sensors.
Core Documentation
Notes provided by the lecturer.Type of evaluation
Oral examination.