Search Results - photonics

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Charge Sharing Compensation Using Coincidences for X-Ray Photon Counting Detectors (UCLA Case No. 2019-543)

Summary: UCLA researchers in the Department of Radiological Sciences have developed a novel method for coincidence counting to reduce the noise inherent in photon counting detectors. Background: The computed tomography (CT) scanning market is projected to grow from ~$6 billion to over $10 billion in 2030. Approximately 10% of this market size is...

Published: 2/28/2024 | Inventor(s): Scott Hsieh

Keywords(s): charge sharing, charge summing, Computed tomography, CT, High resolution computed tomography, Medical Imaging, nanophotonics, Photon, Photon counting, photonic materials, Photonic structures, Photonics, pileup, spectral CT, X-Ray Computed Tomography, X-ray detectors

Category(s): Optics & Photonics, Medical Devices > Medical Imaging > CT, Medical Devices, Electrical > Imaging

Dual-Stage On-Chip Optical-To-Microwave Low-Noise Synthesizer (Case No. 2022-059)

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed the Dual-Stage On-Chip Optical-To-Microwave Low-Noise Synthesizer, which achieves exceptional phase-noise performance by combining optical and microwave components and is poised to improve telecommunications efficiencies. Background: The field of low-noise...

Published: 4/11/2024 | Inventor(s): Chee Wei Wong, Abhinav Kumar Vinod

Keywords(s): Electronics & Semiconductors, Microwave, Optics, Photonics, Semiconductor, Signal Processing, Signal-To-Noise Ratio, Wireless

Category(s): Electrical, Electrical > Electronics & Semiconductors, Electrical > Signal Processing, Electrical > Wireless, Optics & Photonics

2022-174 Diffractive All-Optical Computing for Quantitative Phase Imaging

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed an all-optical quantitative phase imaging (QPI) method that could replace traditionally burdensome and power-inefficient computational image processing networks and improve current limitations in biological imaging. Background: The application of...

Published: 2/16/2024 | Inventor(s): Aydogan Ozcan, Deniz Mengu

Keywords(s): Diffraction Tomography, Digital Holography, Digital immunohistology, Electron Holography, Fluorescence Microscope, Histology, Holography, Immunohistochemistry, Immunology, Lighting and Illumination, on-chip microscopy, Optics, Photonics, quantitative phase imaging (QPI)

Category(s): Life Science Research Tools, Life Science Research Tools > Research Methods, Life Science Research Tools > Microscopy And Imaging, Electrical, Electrical > Sensors, Electrical > Signal Processing, Electrical > Imaging, Medical Devices > Medical Imaging, Optics & Photonics, Optics & Photonics > Microscopy, Optics & Photonics > Holography

2012-341 Quantum Dot Enabled Detection of Escherichia Coli using a Cell-Phone

Summary: UCLA researchers in the Department of Electrical Engineering have developed a platform that can detect E. coli using a cell phone. Background: Water and food-associated diseases still pose considerable public health threat even in highly industrialized parts of the world, causing significant amount of hospitalizations and deaths every year....

Published: 7/19/2023 | Inventor(s): Aydogan Ozcan, Hongying Zhu

Keywords(s): Cell Counting/Imaging, Diagnostic Markers & Platforms, Diagnostic Platform Technologies (E.G. Microfluidics), Image Processing, Infectious Diseases, Photonics

Category(s): Software & Algorithms > Image Processing, Diagnostic Markers, Life Science Research Tools > Cell Counting And Imaging, Platforms > Diagnostic Platform Technologies, Therapeutics > Infectious Diseases, Optics & Photonics

Chip-Scale Frequency-Comb Assisted Coherent LIDAR With Sub-Micrometer Precision (UCLA Case No. 2019-340)

SUMMARY: UCLA researchers in the Department of Electrical and Computer Engineering have developed a microcomb-based spectrally resolved interferometer (SRI) for precise dimension measurements. BACKGROUND: Physical length determination, a standard quantitative measurement, is currently achieved by the application of a laser interferometer. The application...

Published: 2/16/2024 | Inventor(s): Chee Wei Wong, Yoon-Soo Jang, Hao Liu, Jinghui Yang

Keywords(s): Electronics & Semiconductors, Laser, Metrology, Network On A Chip, Photodetector, Photonics, Q Factor LIDAR, Semiconductor, Semiconductor Device, Semiconductors, System On A Chip

Category(s): Materials > Nanotechnology, Electrical, Electrical > Sensors, Optics & Photonics

Cellphone-Based Micro-Plate Reader for Point-Of-Care ELISA Testing & High-Throughput and Automated Diagnosis of Antimicrobial Resistance

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed a cost-effective cellphone-based micro-plate reader to rapidly perform antimicrobial susceptibility testing (AST) with >99% accuracy. Background: Immunoassays are biochemical tests that are conducted to measure the presence and concentration of...

Published: 7/19/2023 | Inventor(s): Aydogan Ozcan, Dino Di Carlo, Steve Feng, Bingen Cortazar Unzaga, Brandon Berg, Haydar Ozkan, Omai Garner, Kuochao Tseng

Keywords(s): Antibacterial, Antibiotic Resistance, Antibody, Artificial Intelligence, Bacteria, Drug Resistance, ELISA, High-Throughput Screening, Immunoassay, Nanotechnology, Optics, Photonics, Point Of Care, Smartphone

Category(s): Life Science Research Tools, Life Science Research Tools > Antibodies, Diagnostic Markers, Optics & Photonics, Software & Algorithms > Artificial Intelligence & Machine Learning

2021-359 Seeing Through Random Diffusers Without a Computer

Summary: UCLA researchers in the department of Electrical and Computer Engineering have developed an all optics-based system that can perform image reconstruction at the speed of light for images distorted by light scattering and diffusion. Background: Imaging is an essential technique for everything from biomedical optics and atmospheric physics...

Published: 12/4/2023 | Inventor(s): Aydogan Ozcan, Yi Luo, Ege Cetintas, Yair Rivenson

Keywords(s): Automation, Computer Vision, Digital Electronics, Electronics & Semiconductors, Optics, Photonics, Remote Sensing, Robotics, Signal Reconstruction, Turbines

Category(s): Electrical, Electrical > Electronics & Semiconductors, Electrical > Imaging, Mechanical, Mechanical > Instrumentation, Mechanical > Robotics, Optics & Photonics

2022-037 PROFILE MONITOR FOR ULTRA-SMALL PARTICLE BEAMS

SUMMARY: UCLA researchers in the Department of Physics and Astronomy have developed a beam profile monitor capable of resolving ultra-small particle beams at sub-micron spot sizes. BACKGROUND: Modern optical applications utilizing ultra-high brightness beams, such as X-ray free electron lasers (XFEL), require monitoring the spatial distributions...

Published: 7/19/2023 | Inventor(s): Nathan Majernik

Keywords(s): Beam Divergence, Instrumentation, Instrumentation & Analysis, Ion Beam, Laser, Nanotechnology, Optics, Photonics

Category(s): Electrical > Sensors, Materials > Nanotechnology, Optics & Photonics

2019-640-1 REFLECTIVE AXICON MANUFACTURING

SUMMARY: UCLA researchers in the Physics Department have developed a monolithic reflaxicon with the potential to be applied in multiple optical purposes. BACKGROUND: Axicon lenses have conical surfaces that can be used to transform a laser beam into ring-shaped distributions. Utilizing axicons in combination or with lenses allows a wide variety of...

Published: 7/19/2023 | Inventor(s):

Keywords(s): Beam Divergence, Focus (Optics), Laser, Lens (Optics), Medical Physics , Optics, Photonics, Transmittance

Category(s): Medical Devices > Medical Imaging, Optics & Photonics

2019-025 CMOS-Compatible Single-Layer Waveguide Display for Augmented and Virtual Reality

SUMMARYUCLA researchers in the Department of Electrical and Computer Engineering have developed a single-layer diffractive optical element with glass waveguide that is cheap and easy to manufacture with enhanced light filtering efficacy. BACKGROUNDDue to the growing ubiquity of reality augmenting devices, optical focusing components are becoming essential...

Published: 7/19/2023 | Inventor(s): Chee Wei Wong

Keywords(s): Optics, Photonics, Virtual Reality

Category(s): Optics & Photonics

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