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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: 10/4/2023
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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: 9/5/2023
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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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Method and Apparatus for Snapshot 3D Imaging of Mechanical Structure at Resonance Frequency
This invention is a method and apparatus that can measure the mechanical resonance and mode shape of a mechanical structure. The apparatus can provide important information regarding the structure of an object under different loading and operating conditions. This can help designers and engineers to create a robust mechanical design, to verify the results...
Published: 8/1/2023
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Engineering & Physical Sciences
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Thermal Drift Calibration of Whispering Gallery Mode Microcavities using Optical Frequency Domain Reflectometry
This technology utilizes optical frequency domain reflectometry (OFDR) to collect high resolution temperature measurements in biochemical applications. More specifically, accuracy of measurements is increased in the spatial domain via the OFDR technology being studied in conjunction with whispering gallery mode biochemical sensing. While temperature...
Published: 5/2/2023
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Inventor(s): Tsu-Te Su, Cheng Li
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices
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Multiple Exposure to Increase Image Resolution and Dynamic Range using Zoom Lens and Different Aperture
This innovation is a method to increase image resolution by using multiple exposures and different aperture settings, combining them to create a high dynamic range image. Images can be taken at different or same exposure times and the exact aperture setting can be determined by the user or by an initial estimate of the dynamic range of the scene. A...
Published: 5/2/2023
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Inventor(s): Stanley Pau, Amit Ashok
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
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A Gamma-ray Photon Counting Detector Based on Side-readout of Monolithic Scintillator Layers
Researchers at the University of Arizona have developed a gamma-ray photon counting device that works similarly to PET, but with a novel architecture that improves the accuracy and speed in determining the location of the biological targets, and is less costly to manufacture.
Background:
Positron Emission Tomography (PET) is a common and reliable...
Published: 11/22/2023
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Inventor(s): Lars Furenlid, Xin Li
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection
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Quantum Message-Passing Receivers for Quantum-Optimal Laser Communications
This technology is the first fully structured design of an optical joint-detection receiver that can attain the quantum limit of laser communication. The proposed receiver circuit provides an alternative proposal for a quantum supremacy experiment, targeted at a specific application that can potentially be implemented on a small, special-purpose, photonic...
Published: 4/3/2023
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Inventor(s): Narayanan Rengaswamy, Kaushik Seshadreesan, Saikat Guha, Henry Pfister
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Engineering & Physical Sciences > Quantum
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Smart Programmable Ultraviolet Germicidal Irradiation System
This invention is a sanitizer that utilizes UV radiation to sanitize closed rooms. The invention will be able to be programmed and automated to precisely deliver the exact does of UV radiation around the area of interest while also considering safety. The sanitizer will irradiate UV light with multiple beam steering devices to selectively sterilize...
Published: 4/3/2023
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Healthcare Portfolios > Infectious Diseases, Technology Classifications > Imaging & Optics
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Digital Fringe Projection and Multi-Spectral Polarization Imaging for Rapid 3D Reconstruction
This invention embodies methods, devices and systems that utilizes Digital Fringe Projection (DFP) to generate three dimensional (3D) images of an object based on measurement of polarizations and/or color light in a single shot. Unlike conventional techniques, which require sequential measurements, the novel systems acquire high dynamic range information...
Published: 4/14/2023
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Inventor(s): Stanley Pau, Rongguang Liang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics
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