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A compact formalism for representing the angular momentum modes in paraxial optics is considered. The evolution of both spin and orbital components of angular momentum is described within such representation. A thorough analysis of the effect of reflection is carried out, and different kinds of reflective interfaces are analyzed. A general method for building the matrices representing the transformations...
A methodology to characterize the complex dielectric permittivity of low-loss materials at millimeter and submillimeter wavelengths, based on whispering gallery mode dielectric resonators, is presented, together with some illustrative results.
We evaluate the impact of asymmetries in dielectric and metal, as implied by the technological process, on the propagation constant, propagation length and characteristic impedance of long-range surface plasmon polariton modes in real strip waveguides.
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