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From Nonradiating Sources to Directionally Invisible Objects
Title
From Nonradiating Sources to Directionally Invisible Objects
Author
Hurwitz, Elisa
Date Created
2017
Subjects--Topical
Optics, Physics
Description
The goal of this dissertation is to extend the understanding of invisible objects, in particular nonradiating sources and directional nonscattering scatterers. First, variations of null-field nonradiating sources are derived from Maxwell's equatio...
NONPROPAGATING EXCITATIONS IN 2-D
Title
NONPROPAGATING EXCITATIONS IN 2-D
Author
Abney, Ray
Date Created
2020
Subjects--Topical
Physics
Description
Nonpropagating excitations have been studied in 1-D and in 3-D, but not so much in 2-D. So, this thesis concerns 2-D nonpropagating excitations. In particular, we construct nonpropagating excitations confined to an annulus under a time-independent...
STRUCTURED OPTICAL MATERIALS FABRICATED USING TWO-PHOTON POLYMERIZATION
Title
STRUCTURED OPTICAL MATERIALS FABRICATED USING TWO-PHOTON POLYMERIZATION
Author
Li, Yanzeng
Date Created
2020
Subjects--Topical
Materials science, Optics, Physics
Description
Artificially structured materials, which are treated as macroscopically homogeneous media, exhibit effective optical properties that can be altered by engineering the materials' intrinsic geometries at a scale much smaller than the probing electro...