Search Results - daewook+kim

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Pseudo-Nulling Mach-Zehnder Metrology
This technology is a novel Mach-Zehnder interferometer that uses a a pseudo-nulling configuration with a converging beam, to test two optical components against each other, rather that testing one optical component against a reference component Background: As the capability of optical manufacturing has grown such that it is easy to mass produce...
Published: 6/22/2020   |   Inventor(s): Daewook Kim, Heejoo Choi, Trenton Brendel
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Optical Fab / Metrology
Polishing Interface Coating Technology
This invention is a method of adhering pitch to a polishing lap that utilizes a non-Newtonian fluid. This advancement enhances the smoothing capabilities for a previously developed polishing tool or similar tools that use a non-Newtonian fluid. Background: Manufacturing of lenses requires expensive machinery including high precision grinding and...
Published: 12/18/2019   |   Inventor(s): Daewook Kim
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication
Virtual Deflectometry Enclosure Screen
This invention is a system designed to perform optical quality metrology on freeform or convex optics. This system provides a full aperture surface reconstruction sag map of freeform surfaces. The method relies on the creation of virtual source enclosure that surrounds the unit under testing (UUT) and produces a virtual 2 Pi-steradian measurement range....
Published: 3/11/2019   |   Inventor(s): Daewook Kim, Logan Graves
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Optical Fab / Metrology
Trapezoidal Shim for Segmented Optics Assembly
Researchers at the University of Arizona have designed a paradigm-shifting space telescope technology. The technology produces ultra-lightweight, transmissive lenses that are fabricated economically in segments. The novel aspects of the technology facilitate quick assembly with very high precision alignment. Background: Improvements in space telescope...
Published: 12/30/2018   |   Inventor(s): Daewook Kim, Rongguang Liang, Oliver Spires
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
Kinematically Engaged Yoke System
Researchers at the University of Arizona have designed a paradigm-shifting space telescope technology. The technology produces ultra-lightweight, transmissive lenses that are fabricated economically in segments. The novel aspects of the technology facilitate quick assembly with very high precision alignment. Background: Improvements in space telescope...
Published: 12/30/2018   |   Inventor(s): Daewook Kim
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
Polishing Protocol for Zirconium Diboride Based Ceramics to be Implemented into Optical Systems
This technology is a method for polishing a particularly hard ceramic that typically requires following a precise protocol. This technology provides an athermal, lightweight and strong ceramic to be used as a more durable option for optical systems. Background: A key component of adaptive optical systems is the deformable mirror, which, through the...
Published: 3/18/2018   |   Inventor(s): Joseph Rice, Michael Hart, Daewook Kim
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Materials & Fabrication
Instantaneous Phase Shifting Deflectometry
This technology is a device that instantaneously measures the slope of a surface. Modeled on the iOS smartphone platform, this device emits a light pattern towards an object and records the optical information reflected back in order to identify deflections in the object's surface shape. Background: Current deflectometry methods compare multiple...
Published: 2/4/2017   |   Inventor(s): Daewook Kim, Isaac Trumper
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Optical Fab / Metrology