Search Results - diffraction

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Monitoring Structural Health Using Diffractive Optical Processors (Case No. 2025-201)

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed a novel structural health monitoring system that is highly accurate and cost effective, addressing limitations in current infrastructure and civil health monitoring and a rise in public safety concerns. Background: The need for structural health monitoring...

Published: 6/25/2025 | Inventor(s): Aydogan Ozcan, Ertugrul Taciroglu, Yuntian Wang, Yuhang Li

Keywords(s): 3D structures, Adaptive Optics, AI-generated images and content, all-optical diffractive computing, all-optical transformation, analog computing, analog optical computing, Analogue Electronics, Artifical Intelligence (Machine Learning, Data Mining), Artificial Intelligence, artificial intelligence algorithms, artificial intelligence augmentation, artificial intelligence/machine learning models, artificial-intelligent materials, civil engineering, civil infrastructure, civil monitoring, computational imaging, computational imaging task, Construction, deep diffractive network, Diffraction, diffractive design, diffractive image reconstruction, diffractive network, diffractive processor, diffractive surface, digital image reconstruction, electromagnetic spectrum, Electro-Optics, Image Analysis, Image Processing, Image Resolution, image restoration, image signal processing, Imaging, Infrastructure, Lens (Optics), linear optics, Nanostructure, optical processor, optically-guided structural monitoring, Optics, passive light-matter interactions, security imaging, Signal Reconstruction, Structural health monitoring, structural health monitoring (SHM), structure monitoring, Structures

Category(s): Electrical, Electrical > Signal Processing, Electrical > Imaging, Materials, Materials > Construction Materials, Electrical > Visual Computing, Electrical > Computing Hardware, Electrical > Instrumentation, Energy & Environment, Energy & Environment > Energy Efficiency, Software & Algorithms, Software & Algorithms > Artificial Intelligence & Machine Learning, Software & Algorithms > Image Processing, Software & Algorithms > Programs

Diffractive Waveguides (Case No. 2025-012)

Summary: UCLA researchers in the Department of Electrical and Computer Engineering have developed innovative high performance diffractive waveguides adaptable to any task and that achieve desired specifications for applications spanning telecommunications, sensing, spectroscopy, and integrated photonics circuits. Background: Waveguides are crucial...

Published: 6/25/2025 | Inventor(s): Aydogan Ozcan, Yuhang Li, Yuntian Wang

Keywords(s): Adaptive Optics, deep diffractive network, Deep Learning, Deep learning-based sensing, Diffraction, diffractive network, Dispersion (Optics), optimization, Phase (Waves), real-time sensing/monitoring/tracking, Waveguide, Waveguide (Electromagnetism), Waveguide Light, Waveguide Waveguide (Electromagnetism), Wavelength

Category(s): Electrical > Sensors, Electrical > Signal Processing, Electrical > Visual Computing > Diffractive Computing, Electrical > Imaging

Holographic Metasurface Grating Elements for Augmented and Virtual Reality (UCLA Case No. 2022-320)

Summary: UCLA researchers from the Department of Electrical & Computer Engineering have developed a curved grating element that enables higher efficiency and resolution in augmented (AR) and virtual reality (VR) devices. Background: Grating structures are a fundamental component of AR and VR devices and are necessary for controlling the diffraction...

Published: 2/14/2025 | Inventor(s): Chee Wei Wong, Hyunpil Boo, Hangbo Yang, Yoo Seung Lee

Keywords(s): Augmented Reality, augmented reality (AR), Diffraction, Extended reality, Grating structure, Holographic metasurface grating elements, in-plane diffraction, Mixed Reality, Off-plane Diffraction, Spatial computing, Virtual Reality

Category(s): Electrical > Imaging, Software & Algorithms, Software & Algorithms > Ar/Vr, Electrical > Displays, Optics & Photonics