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Birefringent Coating to Remove Polarization Dependent Phase Shift
This technology is a method designed to remove unwanted phase shifts from optical instruments to improve their performance. The method involves the manufacture and application of a layer, or multiple layers, of birefringent materials (materials with two distinct refractive indices) such that the unwanted phase shift is removed from the optical instrument.
Background:
Optical...
Published: 11/3/2021
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Inventor(s): Stanley Pau, Sawyer Miller, Linan Jiang
Keywords(s):
Category(s): *Optics, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Novel High Refractive Index and Abbie Value Polymers for Advanced Lower Cost Optical Eyewear
Copolymerization of chalcogenide halides with widely available unsaturated monomers is used to create advanced polymer materials for consumer plastic optics, consumer eye wear, and smart phone plastic optics.
Background:
Sulfenyl chlorides are a widely known but largely ignored class of sulfur compounds that are highly reactive toward nucleophiles...
Published: 9/15/2021
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Inventor(s): Dong-Chul Pyun, Robert Norwood, Jon Njardarson, Richard Glass, Taeheon Lee, Chisom Olikagu, Kyle Carothers
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Materials & Fabrication > Optical, EO & MO, Technology Classifications > Imaging & Optics > Ophthalmology, Technology Classifications > Materials > Polymers
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Enhanced Magneto-Optic Properties Using Polymer-Coated Magnetite Nanoparticles
Researchers at The University of Arizona's James C. Wyant College of Optical Sciences have developed a two-step process for creating Magneto-optical (MO) nanocomposites. First it forms a polymer shell on magnetite-nanoparticles though a surface polymerization process. It then chemically links the shell of each magnetite-nanoparticle to a host polymer...
Published: 6/22/2021
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Inventor(s): Robert Norwood, Palash Gangopadhyay, Alejandra Lopez-Santiago
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics
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Stick and Peel Probe for Analysis of Defects under Operando Conditions in Perovskite Materials for Manufacturing or Quality Control
A “stick and peel” removable electrochemical probe is used for solvent-free characterization of semiconductor films or optoelectronic devices. The invention may be used to analyze electronic materials such as a metal halide perovskite, an organic semiconductor, a nanocrystalline (quantum dot) thin film, metal oxides, a material blend or...
Published: 6/11/2021
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Inventor(s): Michel De Keersmaecker, Erin Ratcliff, Neal Armstrong
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental > Energy Collection, Storage & Battery, Technology Classifications > Energy, Cleantech & Environmental > Fuel Cells, Technology Classifications > Energy, Cleantech & Environmental > Manufacturing, Technology Classifications > Energy, Cleantech & Environmental > Low Carbon, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Nanomaterials, Technology Classifications > Materials > Processing, Technology Classifications > Sensors & Controls
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Flexible Curved Optics Elements With Laminate
The invention is a means of allowing a substrate like glass, a mirror or plastic, to flex after a coating is applied.
Background:
Flexible glass is employed as a substrate for vapor deposited thin films to create low-cost curved mirrors in shapes like parabolic, hyperbolic, etc. The elasticity of substrate material may be exploited to create free-standing...
Published: 2/10/2021
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Inventor(s): Sasaan Showghi, Robert Norwood
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Materials > Coatings
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Highly Transmissive Infrared Polymer Micro Optical Lenses and Arrays
Polymeric microscale lenses, which are highly transmissive for infrared wavelengths, can be fabricated using photolithography. Arrays of lenses may be mass produced and incorporated into optical-electronic systems.
Background:
Conventionally, lenses for use in infrared imaging have been made from inorganic materials due to their superior optical properties...
Published: 1/11/2021
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Inventor(s): Dong-Chul Pyun, Robert Norwood, Abhinav Nishant, Tristan Kleine, Nicholas Lyons, Kyungjo Kim
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Communications & Networking > Optical, Technology Classifications > Engineering & Physical Sciences > Communications & Networking > RFID, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > Transportation & Automotive > Autonomous/Intelligent Vehicle Compone, Technology Classifications > Engineering & Physical Sciences > Transportation & Automotive > Vehicle Control, Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices, Technology Classifications > Materials > Chemicals, Technology Classifications > Materials > Coatings, Technology Classifications > Materials > Polymers
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Real-Time Monitoring of the Diffraction Efficiency of Volume Holographic Elements During Exposure
This invention is concerned with improving manufacturing accuracy and speed of Volume Holographic Elements (VHOEs) through more accurate diffraction efficiency measurement in real-time measurement conditions. Diffraction efficiency is an important characteristic of VHOEs, and the most basic technique for controlling the diffraction efficiency during...
Published: 5/27/2020
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Inventor(s): Jianbo Zhao, Benjamin Chrysler, Raymond Kostuk, Jilian Nguyen
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication
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Fabrication, Design and Application of High Resolution Patterned Polarization Filter
This invention describes achromatic polarization filters that can be integrated with a complementary metal–oxide–semiconductor (CMOS) and charge-coupled device (CCD) detector array to form a polarization camera. The proposed variants of pixelated polarization filters would have applications in display and sensor designs and could cover light...
Published: 4/15/2020
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Inventor(s): Stanley Pau, Xingzhou Tu
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication
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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: 12/18/2019
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Inventor(s): Daewook Kim
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication
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High Resolution and High Throughput Additive Manufacturing
Researchers at the University of Arizona have developed an additive manufacturing system that combines several techniques for high-throughput photopolymerization 3D printing. The system is capable of printing large complex components with high resolution features at a high speed, and at a lower cost that current micro-scale 3D printing systems.
Background:
Over...
Published: 3/27/2019
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Inventor(s): Rongguang Liang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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