Search results
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Title
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Cutting Mechanics and Manufacture of Optics for Imaging Applications
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Author
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Troutman, John
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Date Created
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2016
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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Ultraprecision diamond machining enables physical realization of freeform surfaces of nearly arbitrary complexity through turning and milling processes. Achievable form accuracies make diamond machining a viable alternative to conventional techniq...
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Title
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From Nonradiating Sources to Directionally Invisible Objects
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Author
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Hurwitz, Elisa
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Date Created
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2017
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Subjects--Topical
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Optics, Physics
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Description
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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...
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Title
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Integration of advanced manufacturing in the mechanical design of reflective optics
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Author
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Horvath, Nicholas
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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High-performance freeform optical systems, designed for broad spectral imaging fromthe visible to the far infrared, place new demands on optical design, precision manufacturing,and precision metrology. In this dissertation, four key aspects are ad...
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Title
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Manufacture of Infrared Optics in Brittle Materials
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Author
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Owen, Joseph
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Date Created
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2015
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Subjects--Topical
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Mechanical engineering
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Description
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Infrared optics are manufactured for many different applications including: thermal imaging, surveillance, night vision, medical, laser machining, laser surgery, etc. Most infrared transparent materials are hard, brittle, or both. Unless special c...
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Title
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Manufacturing Methodologies and Optomechanics for Dynamic Freeform Optics
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Author
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Gurganus, Dustin
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Date Created
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2021
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Subjects--Topical
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Optics, Engineering, Mechanical engineering
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Description
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Freeform optics have traversed the gap from theoretical to practical application propelled by ultra-precision multi-axis machining, like diamond turning and milling. Utilized for complex infrared sensors to human vision correction, freeform optics...
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Title
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Optical Vortices and Coherence in Nano-optics
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Author
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Smith, Matt
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Date Created
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2019
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Subjects--Topical
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Optics, Nanoscience, Nanotechnology
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Description
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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...
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Title
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PERFORMANCE AND SPECIFICATION OF OPTICAL COMPONENTS WITH MID-SPATIAL FREQUENCY SURFACE ERRORS
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Author
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Aryan, Hamidreza
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Date Created
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2019
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Subjects--Topical
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Mechanical engineering, Optics, Engineering
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Description
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The advent of sub-aperture computer-numerically controlled (CNC) manufacturing techniques has enabled new opportunities for high-performance optical components and systems. Freeform and other challenging designs are now possible like never before....
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Title
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STRUCTURED OPTICAL MATERIALS FABRICATED USING TWO-PHOTON POLYMERIZATION
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Author
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Li, Yanzeng
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Date Created
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2020
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Subjects--Topical
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Materials science, Optics, Physics
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Description
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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...
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Title
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Space Variant Guided Mode Resonant Filters
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Author
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Roth, Zachary
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Date Created
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2012
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Subjects--Topical
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Optics, Engineering, Nanoscience
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Description
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Guided mode resonance filters (GMRF) combine subwavelength gratings and planar slab waveguides to create highly efficient, narrow linewidth spectral filters. Resonances between diffracted orders of the SWG and the waveguide provide the mechanism f...
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Title
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Surface Integrity in Diamond Machining Germanium For Infrared Optics
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Author
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Sizemore, Nicholas
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering
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Description
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Ultra-precision manufacturing is a deterministic method of producing optical-grade components. Continuous and interrupted machining operations are the main focus of this research with the goal of improving the manufacturing community’s knowledge. ...
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Title
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Thermomechanical Modeling and Analysis of Precision Glass Molding Process
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Author
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Bobba, Dhanooj
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Date Created
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2023
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Subjects--Topical
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Mechanical engineering
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Description
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The tremendous development in digital technology in the last few decades has increased the demand for ultra-precision optical components with enhanced optical performance, such as aspherical or freeform lenses. Typically, lenses made of polymers h...
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Title
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Vortices in coherent and partially coherent optical beams
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Author
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Stahl, Charlotte
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Date Created
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2018
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Subjects--Topical
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Optics
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Description
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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...