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Characterization of Geometric Surface Features Using Statistically Based Analytical Tools
Title
Characterization of Geometric Surface Features Using Statistically Based Analytical Tools
Author
Azimi, Farzad
Date Created
2019
Subjects--Topical
Mechanical engineering
Description
The nature and quality of a surface’s topography can play an important role in a part’s performance and expected longevity. The complexity of a surface topography means that while commonly used ISO 25178-2 height based statistical metrics are capa...
DESIGN, TOLERANCING, AND EXPERIMENTAL CHARACTERIZATION OF DYNAMIC FREEFORM OPTICAL SYSTEMS
Title
DESIGN, TOLERANCING, AND EXPERIMENTAL CHARACTERIZATION OF DYNAMIC FREEFORM OPTICAL SYSTEMS
Author
Shultz, Jason
Date Created
2017
Subjects--Topical
Optics, Engineering, Physics
Description
Although freeform concepts have been considered for many decades, new fabrication capabilities have enabled new classes of optical components and sparked greatly increased interest in freeform optics. Generally defined as surfaces without rotation...
Dynamic Illumination Systems using Freeform Optics
Title
Dynamic Illumination Systems using Freeform Optics
Author
shadalou, shohreh
Date Created
2022
Subjects--Topical
Optics
Description
Illumination systems that can create light patterns of varying sizes or shapes with high efficiency and uniformity are advantageous for a range of applications, including lighting, augmented/virtual reality, laser-based manufacturing, medicine/der...
PRECISION POLISHING DYNAMICS: THE INFLUENCE OF PROCESS VIBRATIONS ON POLISHING RESULTS
Title
PRECISION POLISHING DYNAMICS: THE INFLUENCE OF PROCESS VIBRATIONS ON POLISHING RESULTS
Author
Mainuddin, Mohammad
Date Created
2014
Subjects--Topical
Mechanical engineering
Description
The optical pitch polishing process has been used over 300 years to obtain high quality optical surface finish with little subsurface damage. A pitch tool consists of a metal platen coated with a layer of polishing pitch whereby pitch is a highly ...
Period-n Bifurcations in Milling
Title
Period-n Bifurcations in Milling
Author
Honeycutt, Andrew
Date Created
2018
Subjects--Topical
Mechanical engineering
Description
Period-n bifurcations in milling operations are studied in this dissertation. Period-n bifurcations represent a special type of unstable dynamic behavior because they have a response period that is an integer multiple (n) of the forcing period. Th...
Variable Shearing Holography
Title
Variable Shearing Holography
Author
Shanmugam, Prithiviraj
Date Created
2023
Subjects--Topical
Mechanical engineering, Optics
Description
From the perspective of manufacturing, it is not always ideal to use conventional methods of surface and optical metrology. Many optical metrology systems like interferometry use a stable temperature-controlled environment in a laboratory setting ...
Variable extended depth of field imaging using freeform optics
Title
Variable extended depth of field imaging using freeform optics
Author
Moein, Sara
Date Created
2022
Subjects--Topical
Optics
Description
Recent advancements in design, manufacturing, and metrology have enabled broader use of freeform components for high-performing optical systems. Freeform optics, which lack rotational symmetry, provide additional design freedoms that can enable co...