Search Results - ali+navaei

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PMU-Embedded Analytics for Online Event Detection and Classification in Power Grids

The energy requirement of the world is increasing exponentially every year. With the power demand sites concentrated in the region with the highest population density, energy production sites must be located remotely. This isolation requires lengthy and complicated grids to be designed and manufactured to transmit power over long distances. Grid failures...

Published: 7/30/2024 | Inventor(s): Payman Dehghanian, Shiyuan Wang, Li Li

Keywords(s):

Category(s): Technology Classifications > Industrial or Consumer Tech > Energy Infrastructure and Environment

Electrically Conductive Cardiac Microtissues

There are an estimated 23 million people with heart failure worldwide, with 1-year mortality rate of 30% following onset. Loss of cardiomyocytes (CMs) from myocardial infarction results in remodeling and abnormal stress distribution throughout the tissue, leading to increased morbidity. Regenerative medicine and tissue engineering strategies offer promising...

Published: 2/23/2023 | Inventor(s): Mehdi Nikkhah, Ali Navaei, Raymond Migrino

Keywords(s):

Category(s): Advanced Materials/Nanotechnology, Biomaterials, Life Science (All LS Techs), Non-Cancer Therapeutics

Twistron Mechanical Energy Harvesters

Mechanical energy harvesters are needed for diverse applications, including self-powered wireless sensors, structural and human health monitoring systems, automotive technologies, and the extraction of energy from ocean waves. Until now, few harvesters have been flexible enough to be used as yarns in textiles, and the performance of such yarns has been...

Published: 6/26/2024 | Inventor(s): Shi Hyeong Kim, Carter Haines, Na Li, Keon Jung Kim, Tae Jin Mun, Changsoon Choi, Jiangtao Di, Shaoli Fang, Seon Jeong Kim, Ray Baughman

Keywords(s): Automotive, Carbon Nanomaterials, Carbon Nanotubes, Electronics, Energy, Cleantech & Environmental, Engineering & Physical Sciences, Renewable Energy, Sensors & Controls, Textiles, Wireless

Category(s): Nanotechnology

Intelligent Textiles Prepared from Nanofiber Yarns and Polymer Fiber Actuators

While there has always been a desire for smart textiles, including fabrics which adapt depending on environmental stimuli, it has yet to be effectively accomplished due to the lack of suitable materials. These polymer fiber actuators have enabled the creation of fabrics that can reversibly change properties such as porosity, shape, color and texture....

Published: 4/22/2021 | Inventor(s): Ray Baughman, Ozer Goktepe, Fatma Goktepe, Na Li, Marcio Lima, Carter Haines, Shaoli Fang

Keywords(s): Engineering & Physical Sciences, Industrial & Manufacturing, Nanotechnology, Polymers, Textiles

Category(s): Materials

Distributed Feedback Fiber Laser Pumped by Multimode Diode Lasers

Researchers at the University of Arizona College of Optical Sciences and Canada's Carleton University recently succeeded in fabricating high reflectivity (>99%) Fiber Bragg Gratings (FBGs) into phosphate glass fibers using UV light and a phase mask technique. With this new manufacturing technique, fiber lasers can be created as single monolithic...

Published: 4/3/2023 | Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li, Jacques Albert

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources

All-Fiber Multicore Fiber Laser Devices

Researchers at the University of Arizona have developed a compact, power-scalable, alignment-free fiber laser that takes a new approach to stabilizing phase-locked operation of multi-core fiber lasers by completely removing all free space optical components. This high-brightness, all-fiber laser package uses passive optical fiber spliced at both ends...

Published: 4/3/2023 | Inventor(s): Nasser Peyghambarian, Axel Schülzgen, Li Li

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources