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Metrology System for Waveguide Display, Hologram and Grating Using Polarization Imaging
The invention is a method and design of a metrology system that is used to characterize polarization volume hologram (PVH), surface relief grating (SRG), and volume Bragg grating (VBG). Polarization of optical components such as the ones mentioned above can be used as waveguides, optical filters, lenses, reflectors, refractor, beam splitters, beam combiners,...
Published: 10/3/2024
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics
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Apparatus and Method for Closed-Loop Heliostat Tracking
This technology is an apparatus and method to accurately orient a field of multiple heliostats to reflect sunlight to a single distant receiver. Higher accuracy tracking than previously realized is needed to fully exploit future heliostats that better concentrate sunlight on the receiver by forming a disc image of the Sun. This innovation overcomes...
Published: 8/6/2024
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Inventor(s): James Angel
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy, Technology Classifications > Energy, Cleantech & Environmental > Renewable Energy > Solar/Photovoltaic
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A Polarized Light Source for the Thermal InfraRed using COTS Wire-Grid Polarizers
This invention is a thin wire filament that can produce polarized thermal emission when heated. Using commercial off the shelf wire-grid elements, a polarized thermal source with an extended spatial profile can be fabricated. Such a well-characterized polarized source in the thermal infrared can be used for the verification, validation, and in-flight...
Published: 5/7/2024
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Inventor(s): Meredith Kupinski, Jeremy Parkinson
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection
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Scattering Based Light Sheet Microscope
This invention relates to designs of a low-cost scattering-based light sheet microscope that provides microscopic images of human tissue in vivo. The key idea is to use an incoherent line light source with a rectangular aperture to generate light sheet illumination and detect the scattered light from the illuminated tissue plane to generate images....
Published: 4/2/2024
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Inventor(s): Dongkyun Kang, Jingwei Zhao, Eric Yang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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An Efficient Method to Estimate Parameters of the Cavity on Integrated Photonic Chips
This technology is a method for estimating parameters of the cavity on integrated photonic chips. This innovative approach simplifies the estimation process, offering a practical and reliable solution for manufacturers in the industry to help streamline testing procedures. With its simplicity and efficiency, this technology saves valuable time and resources,...
Published: 3/6/2024
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Inventor(s): Chaohan Cui, Linran Fan
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Pulsed Laser with Temporal Coherence Control
This technology is a solid-state substitution of excimer lasers, specifically the ArF laser. The technology is suitable for lithography use and for the manufacturing of semiconductors. This approach will alleviate technical issues with current technologies in semiconductor manufacturing approaches. The technology uses a cascading system to reach the...
Published: 2/6/2024
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Inventor(s): Yushi Kaneda
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Ultra-Sensitive, Selective, and Humidity Resistant Detection of Nitric Oxide
This invention is a Whispering-Gallery Mode (WGM) microtoroidal optical resonator designed for ultra-sensitive detection of nitric oxide gas, achieving remarkable precision with a detection limit as low as 2.34 parts per trillion (ppt). This exceptional sensitivity is achieved through the utilization of ferrocene-containing polymeric coatings created...
Published: 6/6/2024
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Inventor(s): Tsu-Te Su, Yinchao Xu, Allison Stanko, Chloe Cerione, Trevor Lohrey, Euan Mcleod, Brian Stoltz
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection
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Perceptual-Driven Foveated Optical See-Through Head-Mounted Displays
This invention consists of the design and embodiments of a statically optical see through head-mounted displays (OST-HMDs) in which the angular pixel density decreases with the increase of the filed eccentricity according to a specified angular pixel density function.
To facilitate the head-mounted display capability to simultaneously see the image...
Published: 6/27/2024
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Inventor(s): Hong Hua, Pengyinjie Lyu
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Displays
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Lensfree Microscopy for Ultrafine Particulate Matter Monitoring
This system monitors ultrafine particulate matter and pollution in the air using compact, inexpensive, and portable devices, which enable time-resolved measurements particle sizes. It could be used to implement a dense network of devices, which provide ultra-precise real-time monitoring of air content and quality levels.
Background:
Particulate matter...
Published: 10/11/2023
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Inventor(s): Euan Mcleod, Maryam Baker
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Air/Water Purification, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection
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Photothermal Microscopy Using Whispering Gallery Microcavities
This invention uses a photothermal spectroscopy method to detect and identify individual molecules/particles without the use of fluorescent tags or radioactive ligands. Whispering gallery optical sensor technologies are on the cutting edge of biosensing technology. Photothermal microscopy has found applications in diverse fields, including materials...
Published: 6/6/2024
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Inventor(s): Tsu-Te Su, Shuang Hao
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics
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