Search results
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Title
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Variable extended depth of field imaging using freeform optics
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Author
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Moein, Sara
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Date Created
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2022
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Subjects--Topical
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Optics
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Description
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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...
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Title
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Specification and Modeling of Mid-Spatial Frequency Errors in Optical Systems
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Author
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DeMars, Luke
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Date Created
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2023
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Subjects--Topical
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Optics
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Description
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Recent advancements in manufacturing and post-processing of optics with sub-aperture methods have enabled greater degrees of freedom to realize complex optical surfaces. Introduction of residual mid-spatial frequency (MSF) surface errors is a cons...
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Title
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PERFORMANCE AND SPECIFICATION OF OPTICAL COMPONENTS WITH MID-SPATIAL FREQUENCY SURFACE ERRORS
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Author
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Aryan, Hamidreza
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Date Created
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2019
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Subjects--Topical
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Mechanical engineering, Optics, Engineering
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Description
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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....
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Title
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Effects of Edge Roughness on Optical Scattering from Periodic Microstructures
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Author
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Bergner, Brent
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Date Created
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2009
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Subjects--Topical
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Optics, Nanotechnology
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Description
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Planar photonic crystals and other microstructured surfaces have important applications in a number of emerging technologies. However, these structures can be difficult to fabricate in a consistent manner. Rapid, precise measurements of critical p...
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Title
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Dynamic Illumination Systems using Freeform Optics
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Author
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shadalou, shohreh
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Date Created
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2022
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Subjects--Topical
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Optics
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Description
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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...
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Title
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Design, Fabrication and Testing of Hierarchical Micro-optical Structures and Systems
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Author
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Cannistra, Aaron
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Date Created
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2011
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Subjects--Topical
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Optics
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Description
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Micro-optical systems are becoming essential components in imaging, sensing, communications, computing, and other applications. Optically based designs are replacing electronic, chemical and mechanical systems for a variety of reasons, including l...
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Title
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Complex photonic crystals for broadband "all-angle" self-collimation
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Author
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Chuang, Yi-Chen
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Date Created
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2010
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Subjects--Topical
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Optics
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Description
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Self-collimation is a dispersion property of many photonic crystals (PCs), in which light beam can propagate free of divergence in the PCs. While self-collimation is a desired property for applications related to wave guiding and light collection,...
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Title
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Characterization of Broadband Optical Functionality of Freeform Optics
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Author
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Koerber, Jonathan
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Date Created
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2022
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Subjects--Topical
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Optics
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Description
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Freeform optics, broadly described as optical elements with at least one surface lacking translational or rotational symmetry, have seen increased interest due to recent advances in optical design, fabrication, and measurement. Freeform optics pro...
