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Versatile Space Telescope for Quantum Key Distribution
The Versatile CubeSat Telescope (VCT) is a CubeSat-enabled telescope design with an increased aperture and decreased divergence over state-of-the-art systems. It also provides thermal stability, which enhances the signal-to-noise ratio, reduces the error rate, and improves performance. Finally, it can preserve the polarization of received signals to...
Published: 3/12/2024
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Inventor(s): Ewan Douglas, Daewook Kim
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking, Technology Classifications > Imaging & Optics > Telecommunications
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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: 7/10/2023
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Inventor(s): Daewook Kim, Rongguang Liang, Oliver Spires
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
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Kinematically Engaged Yoke System
This technology is a new alignment, co-phasing and assembly approach called KEYS (Kinematically Engaged Yoke System) that uses intrinsic surface profiles of multiple order diffraction (MOD) optical segments. The technology is composed of a harness that has negatively shaped semi-kinematic “keys” which fits the MOD-side-step-like mechanical...
Published: 7/10/2023
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Inventor(s): Daewook Kim
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
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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: 4/3/2023
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Inventor(s): Daewook Kim, Heejoo Choi, Trenton Brendel
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Optical Fab / Metrology
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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: 4/3/2023
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Inventor(s): Daewook Kim
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication
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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: 4/3/2023
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Inventor(s): Daewook Kim, Logan Graves
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Optical Fab / Metrology
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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: 4/3/2023
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Inventor(s): Joseph Rice, Michael Hart, Daewook Kim
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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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: 4/3/2023
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Inventor(s): Daewook Kim, Isaac Trumper
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Optical Fab / Metrology
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