Search results
-
-
Title
-
Cutting Mechanics and Manufacture of Optics for Imaging Applications
-
Author
-
Troutman, John
-
Date Created
-
2016
-
Subjects--Topical
-
Mechanical engineering, Optics
-
Description
-
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...
-
-
Title
-
Experimental and computational evaluation of a vibratory finishing process
-
Author
-
Navare, Jayesh
-
Date Created
-
2017
-
Subjects--Topical
-
Mechanical engineering
-
Description
-
Vibratory finishing is among the widely recognized mass finishing techniques which is used for cleaning, deburring, edge rounding, polishing, and creating an isotropic surface finish on metal parts that have undergone previous machining operations...
-
-
Title
-
FREEFORM MEASUREMENT WITH STITCHING TALBOT INTERFEROMETER
-
Author
-
Furukawa, Yasunori
-
Date Created
-
2018
-
Subjects--Topical
-
Optics
-
Description
-
Freeform optics are being used in many fields to realize the outstanding performance due to their high degree of freedom. To realize sufficiently high performance, it is necessary to manufacture the freeform surface with high accuracy, which requi...
-
-
Title
-
FUNDAMENTALS OF MATERIAL REMOVAL IN SILICON CARBIDE FOR FREEFORM OPTICS
-
Author
-
Shanmugam, Prithiviraj
-
Date Created
-
2019
-
Subjects--Topical
-
Mechanical engineering
-
Description
-
The mechanical and thermal properties offered by Silicon carbide (SiC) make it an ideal material for reflective freeform optics. However, the hardness, brittleness and fracture toughness of the material pose a challenge to manufacturing. The manuf...
-
-
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...
-
-
Title
-
Integration of advanced manufacturing in the mechanical design of reflective optics
-
Author
-
Horvath, Nicholas
-
Date Created
-
2020
-
Subjects--Topical
-
Mechanical engineering, Optics
-
Description
-
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...
-
-
Title
-
Manufacturing Methodologies and Optomechanics for Dynamic Freeform Optics
-
Author
-
Gurganus, Dustin
-
Date Created
-
2021
-
Subjects--Topical
-
Optics, Engineering, Mechanical engineering
-
Description
-
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...
-
-
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...
-
-
Title
-
OPTICAL DISPLACEMENT MEASUREMENT BY IMAGE CORRELATION
-
Author
-
Lambert, Nathan
-
Date Created
-
2019
-
Subjects--Topical
-
Mechanical engineering
-
Description
-
This thesis describes the design and verification of a scanning, optical, displacement measurement instrument, which utilizes digital image correlation (DIC) to measure displacement. This system is intended to provide proof of concept for a techniq...
-
-
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...
-
-
Title
-
PERFORMANCE AND SPECIFICATION OF OPTICAL COMPONENTS WITH MID-SPATIAL FREQUENCY SURFACE ERRORS
-
Author
-
Aryan, Hamidreza
-
Date Created
-
2019
-
Subjects--Topical
-
Mechanical engineering, Optics, Engineering
-
Description
-
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....
-
-
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...
-
-
Title
-
Space Variant Guided Mode Resonant Filters
-
Author
-
Roth, Zachary
-
Date Created
-
2012
-
Subjects--Topical
-
Optics, Engineering, Nanoscience
-
Description
-
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...
-
-
Title
-
Surface Integrity in Diamond Machining Germanium For Infrared Optics
-
Author
-
Sizemore, Nicholas
-
Date Created
-
2020
-
Subjects--Topical
-
Mechanical engineering
-
Description
-
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. ...