Search Results - luyao+xu

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A soft multimodal optoelectronic array interface for multiparametric mapping of heart function in vivo

Heart disease is among the most challenging human diseases to diagnose and treat, and it remains the leading cause of mortality worldwide. Its complex underlying pathophysiology has driven the development of advanced techniques to study heart function during sinus rhythm, dysfunction, and treatment. There is growing interest in combining electrical...

Published: 7/28/2025 | Inventor(s): Igor Efimov, Luyao Lu

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Category(s): Technology Classifications > Medical Devices > Cardiology, Technology Classifications > Medical Devices > Diagnostic Devices, Technology Classifications > Medical Devices > Surgical

Soft, bioresorbable, transparent microelectrode array for cardiac applications

Cardiovascular diseases, including heart failure, arrhythmias, and myocardial infarctions continue to be a significant global health concern, leading to a high morbidity and mortality rate. There is a pressing need to address these challenges by accurately mapping and modulating cardiac physiology. Existing implantable devices are widely used for electrical...

Published: 7/28/2025 | Inventor(s): Igor Efimov, Luyao Lu

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Category(s): Technology Classifications > Medical Devices

2015-797 External Cavity Laser Based Upon Metasurfaces

SUMMARYUCLA researchers in the Department of Electrical Engineering have developed a novel approach for terahertz (THz) quantum-cascade (QC) lasers to achieve scalable output power, high quality diffraction limited, and directive output beams.BACKGROUNDIt is challenging for many types of semiconductor lasers to achieve a symmetric, directive, diffraction-limited,...

Published: 7/17/2025 | Inventor(s): Benjamin Williams, Luyao Xu

Keywords(s): Imaging, Medical Imaging, Photonics

Category(s): Medical Devices > Medical Imaging, Software & Algorithms > Security & Privacy, Optics & Photonics

2017-221 Focusing and Amplifying Reflectarray Metasurfaces for Stable Laser Cavities

Focusing And Amplifying Reflectarray Metasurfaces For Stable Laser CavitiesSUMMARYUCLA researchers in the Department of Electrical Engineering have developed a novel design of reflectarray metasurface that focuses and amplifies THz laser beams with record high efficiency and stability.BACKGROUNDTerahertz (THz) lasers are widely applicable in THz imaging...

Published: 7/17/2025 | Inventor(s): Benjamin Williams, Luyao Xu

Keywords(s): Antennas/Wireless, Electronics & Semiconductors, Photonics

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

Network-Coded Multiple Access

[Licensing negotiation in progress] [Invitation for Expression of Interest - Deadline: 16 June 2016] Systems and methods include a first wireless local area network (WLAN) system that jointly exploit physical-layer network coding (PNC) and multi-user decoding (MUD) to boost system throughput. This multiple access mode is referred to as Network-Coded...

Published: 1/29/2024 | Inventor(s): Soung Chang Liew, Lu LU, Lizhao You

Keywords(s): Network Coding, Wireless Local Area Network

Category(s): Information and Communications Technology

Thermoelectric Materials Based on Tetrahedrite Structure for the Thermoelectric Devices

IntroductionGrowing concern with energy independence and sustainability has initiated research into methods that can help to increase energy efficiency. One method, thermoelectric devices, converts waste heat from current processes into energy. These devices take advantage of a temperature gradient across the device, creating a voltage from the temperature...

Published: 5/16/2023 | Inventor(s): Donald Morelli, Xu Lu, Vidvuds Ozolins

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Category(s): Advanced Materials, Energy

Natural Mineral Tetrahedrite as a Direct Source of Thermoelectric Materials

IntroductionThermoelectric (TE) materials make possible the direct conversion of waste heat into electricity, potentially improving energy efficiency or providing an alternative energy source. TE materials experience the thermoelectric effect, whereby voltage is generated when there is a temperature gradient within the material. Since 1995, advances...

Published: 2/17/2023 | Inventor(s): Donald Morelli, Xu Lu

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Category(s): Energy, Electrical, Materials