Search results
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Title
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Dynamic Evaluation of Laser Trackers
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Author
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Welty, Victoria
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Date Created
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2015
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Subjects--Topical
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Mechanical engineering, Engineering
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Description
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This thesis details the development, performance, and analysis of tests for the dynamic performance evaluation for laser trackers. Laser trackers are large-scale measuring systems that utilize a spherical coordinate system for measurement. These s...
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Title
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Freeform Optical Surface Form Metrology with Serial Data Acquisition
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Author
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Noste, Todd
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Date Created
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2021
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Subjects--Topical
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Mechanical engineering, Optics, Physics
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Description
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Freeform optics, or optics with no axis of rotational invariance, provide optical designers more degrees of freedom, flexibility, and opportunity for innovation increasing optical performance and system integration while decreasing the form factor...
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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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METROLOGICAL EVALUATION OF SIZE SPECIFICATIONS IN ISO 14405-1
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Author
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Peng, Yue
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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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ABSTRACTYUE PENG. Metrological evaluation of size specifications in ISO 14405-1. (Under the direction of DR. EDWARD P. MORSE)The international standard ISO 14405-1 was released in 2010 as part of the geometrical product specifications (GPS) of the...
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Title
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DATA MODELS TO SUPPORT METROLOGY
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Author
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Heysiattalab, Saeed
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Date Created
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2017
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Subjects--Topical
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Mechanical engineering, Engineering
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Description
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The Quality Information Framework (QIF) is a project initiated in 2010 by the Dimensional Metrology Standards Consortium (DMSC is an American Standards Developing Organization) to address metrology interoperability. Specifically, the QIF supports ...
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Title
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Design for Metrology of Freeform Optics
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Author
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Venditti, Kristen
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Optics, Engineering
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Description
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Freeform optics offer significant advantages over the conventional aspheric optics, but pose new challenges in metrology and manufacturing. The spatial frequencies of an optical surface that must be measured have changed due to the progression of ...
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Title
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FIBER BASED TOOLS FOR POLISHING OPTICAL MATERIALS
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Author
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Shahinian, Hossein
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Date Created
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2018
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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In this dissertation, the development of alternative fiber based polishing tools for the finishing of precision freeform and aspherical optics is introduced. Freeform and aspherical optics, i.e. optics with varying radius of curvatures (ROC), are ...
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Title
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Evaluation of curved surfaces with x-ray reflectometry
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Author
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Cole, Jacob
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Date Created
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2022
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Subjects--Topical
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Mechanical engineering, Physics
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Description
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This dissertation presents a body of work developing novel models and methods for surface evaluation with X-ray reflectometry (XRR). At the time of this work, XRR is a highly used tool for the measurement of flat wafers and laminated semiconductor...
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Title
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OPTICAL INSTRUMENTATION USING GEOMETRIC PHASE ELEMENTS
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Author
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Light, Alyson
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Optics, Engineering
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Description
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Traditional optical instrumentation typically requires a controlled, stable environment, and this limits systems to a laboratory setting. For in-situ metrology applications and outdoor measurements, novel methods that are compact and stable are re...
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Title
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POSITIONING SENSOR BY COMBINING OPTICAL PROJECTION AND PHOTOGRAMMETRY
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Author
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Zheng, Benrui
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Date Created
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2014
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Subjects--Topical
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Optics, Engineering, Remote sensing
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Description
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Six spatial parameters, (x, y, z) for translation, and pitch, roll, and yaw for rotation, are used to describe the 3-dimensional position and orientation of a rigid body - the 6 degrees of freedom (DOF). The ability to measure these parameters is ...
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Title
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Optical surface characterization with the structure function
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Author
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He, Liangyu
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Date Created
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2013
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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It is important to characterize surface and transmitted wavefront errors in terms of the spatial content. The errors are typically analyzed in three spatial domains: figure, ripple (or mid-spatial frequency) and roughness. These errors can affect ...
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Title
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Toward fixtureless inspection of automotive fenders
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Author
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Grohol, Corbin
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Date Created
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2018
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Subjects--Topical
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Mechanical engineering
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Description
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With nonrigid parts, it is most convenient for designers to specify the desired shape in the design condition; that is, the shape is specified with all loads present that the part will experience in service (gravity, assembly constraints, etc.). T...
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Title
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INDUSTRY IMPLICATIONS OF ASME Y14.5-2018 RULE (S) AND THE NESTED PRINCIPLE
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Author
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Mennuti, Attilio
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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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ABSTRACTATTILIO MENNUTI. Industry Implications of ASME Y14.5-2018 Rule (s) and the "Nested" Principle. (Under the direction of DR. EDWARD MORSE)ASME Y14.5-2018 Section 4.2 Rule S states "Unless otherwise specified (UOS), elements of a surface incl...
