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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...
Optical Vortices and Coherence in Nano-optics
Title
Optical Vortices and Coherence in Nano-optics
Author
Smith, Matt
Date Created
2019
Subjects--Topical
Optics, Nanoscience, Nanotechnology
Description
In this dissertation, we use theory and computation to conduct three projects in the area of nano-optics. In the first project, we study optical coherence conversion using a plasmonic hole array. This work led to the discovery of the optical coher...
Use of Optical Superbeams in Atmospheric Turbulence Applications
Title
Use of Optical Superbeams in Atmospheric Turbulence Applications
Author
Gu, Yalong
Date Created
2011
Subjects--Topical
Optics
Description
The use of nonconventional beam classes in turbulence applications is investigated. Through the study on pseudo-Bessel correlated beam propagation in the atmosphere, it is shown that scintillation reduction by a partially coherent beam can be obta...
Vortices in coherent and partially coherent optical beams
Title
Vortices in coherent and partially coherent optical beams
Author
Stahl, Charlotte
Date Created
2018
Subjects--Topical
Optics
Description
Vortices in optical beams have been the subject of extensive study since their status as a generic feature of light was established. They have found extensive use in optical trapping systems, astronomy, microscopy and are being investigated for fr...