Search results
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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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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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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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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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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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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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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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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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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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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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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...
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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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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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Minimizing Task-Specific Uncertainty in CMM-Based Freeform Optics Metrology
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Author
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Uwakwe, Michael
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Date Created
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2018
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Description
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Measurements of surface form involve a comparison between the form of the test surface and a reference. In coordinate measuring machine (CMM) measurements, this reference is the machine geometry. The measurement results typically show a height map...
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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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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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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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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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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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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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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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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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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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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...