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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...

Title: Design for Metrology of Freeform Optics
Author: Venditti, Kristen
Date Created: 2020
Subjects--Topical: Mechanical engineering, Optics, Engineering
Description: 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 ...

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...

Title: FIBER BASED TOOLS FOR POLISHING OPTICAL MATERIALS
Author: Shahinian, Hossein
Date Created: 2018
Subjects--Topical: Mechanical engineering, Optics
Description: 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 ...

Title: Freeform Optical Surface Form Metrology with Serial Data Acquisition
Author: Noste, Todd
Date Created: 2021
Subjects--Topical: Mechanical engineering, Optics, Physics
Description: 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...

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: MID-SPATIAL FREQUENCY CHARACTERIZATION AND SPECIFICATION FOR FREEFORM SURFACES USING ZERNIKE POLYNOMIALS
Author: Hosseinimakarem, Zahra
Date Created: 2017
Subjects--Topical: Optics, Engineering
Description: Mid-spatial frequency on freeform optical elements induces small-angle scatter and affects the optical performance. Fabrication techniques involved in making freeform surfaces leave tooling marks on the surface due to the sub-aperture nature of th...

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: REPLICATION OF FREEFORM OPTICS ONTO NEAR-NET-SHAPE SUBSTRATES USING DIAMOND TURNED STAMPERS
Author: Smith, Glen
Date Created: 2019
Subjects--Topical: Mechanical engineering
Description: Freeform optics open a new design space for optical systems. Production of freeform optics, with no axis of rotational symmetry, often requires the use of multi-axis (>2) sub aperture machining and finishing techniques. These are expensive and imp...