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3D Printing of Anisotropic Material with Tunable Electric and Magnetic Field
This invention proposes a new method and print head design to manufacture complex 3D structures by using anisotropic materials. The technique consists of controlling both the shape and alignment of the anisotropic material by using applied electric and/or magnetic fields. With this method an object can be created layer by layer with different materials...
Published: 11/9/2023
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing
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Periodic Structures Embedded within Glass Mirror Substrates for Reflection to Non-Specular Directions
This technology is a method for measuring heliostats for solar energy applications, as well as any large optical surface composed of second-surface mirrors. A small diffraction grating, which is a 1D, 2D, or 3D periodic phase and/or amplitude modulation, is embedded within the glass substrate of a second-surface mirror. Light from a metrology system...
Published: 9/7/2023
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Inventor(s): Brandon Chalifoux
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Lens & System Design
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Method to Reduce Polarization Aberration in Metal Mirror and Metal Mirror Device
This invention removes the diattenuation and retardance of a metal coated mirror using an additional uniaxial birefringent coating and anti-reflection coating. The method can additionally improve the angular response of any metal coated mirror by reducing the variation of the polarization aberration with angle. The invention includes coating designs,...
Published: 6/20/2023
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Inventor(s): Stanley Pau, Sawyer Miller, Linan Jiang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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High Refractive Index Photoresin for Nano 3D Printing
This technology is a new resin for use in two-photon lithography, which offers a refractive index higher than existing commercial resins. As a result, it greatly expands the capabilities of 3D printing at a nano scale.
Background:
Technologies such as two-photon lithography are 3D printing, or additive manufacturing, techniques that use lasers to...
Published: 6/20/2023
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Inventor(s): Pierre Blanche, Remington Ketchum, Pedro Alcaraz
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Multi-Zone Diffractive Mask for Fine Control of Light Amplitude and Phase
This invention is a mask that can be used in an optical setup to diffract an amount of light based on wavelength. The mask is placed within the focal plane to solve the size-chromaticity problem by using this phase technique. This will achieve better resolution and high start to planet contrast.
Background:
In the study of the Sun's corona, light...
Published: 4/3/2023
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Inventor(s): Olivier Guyon, Kevin Newman
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Compound Dichroic Polarizer
Researchers at the University of Arizona have designed a device and method for converting states of polarization (SOPs) of light into separate colors. In essence, the device can code SOPs into easily distinguishable colors and color changes that are visible to the human eye, regardless of the wavelength of light illuminating the objects.
Background:...
Published: 4/3/2023
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Inventor(s): Stanley Pau, Russell Chipman, Wei-Liang Hsu
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Improved Illumination System of Laparoscope Using an Aspherical Lens Array
University of Arizona researchers have developed a more uniform illumination system for better medical images. The system directs outgoing rays from the fiber bundle to provide more uniform illumination, even with extended non-lambertian sources, allowing the full field of view to be fully observed with good detail. It is low cost and an be easily attached...
Published: 4/3/2023
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Inventor(s): Hong Hua, Rengmao Wu, Yi Qin
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Materials & Fabrication
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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: 4/3/2023
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Inventor(s): Stanley Pau, Sawyer Miller, Linan Jiang
Keywords(s):
Category(s): 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: 4/3/2023
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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: 4/3/2023
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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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