Search results
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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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POLYDYNE DISPLACEMENT INTERFEROMETER USING FREQUENCY-MODULATED LIGHT
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Author
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Arablu, Masoud
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Date Created
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2019
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Subjects--Topical
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Mechanical engineering, Electrical engineering, Optics
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Description
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A novel multi-frequency (polydyne) optical interferometry method is introduced and a prototype developed to evaluate its performance in a Michelson displacement interferometer configuration. The polydyne interferometer contains three main parts of...
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Title
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Variable Shearing Holography
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Author
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Shanmugam, Prithiviraj
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Date Created
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2023
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Subjects--Topical
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Mechanical engineering, Optics
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Description
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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 ...