Search Results - abbas+semnani

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Cavity-Resonant Air-Breathing Microwave Plasma Jet
Atmospheric-pressure plasma sources are used in plasma-assisted processing, biomedical treatment and sterilization, surface modification, environmental remediation, agricultural treatment, propulsion, photonics, and plasma-assisted acceleration. Many conventional sources rely on inductively coupled plasma, dielectric-barrier discharge, electrode-based...
Published: 7/28/2026   |   Updated: 7/28/2026   |   Inventor(s): Abbas Semnani, Kushagra Singhal, Tahir Azam
Keywords(s):  
Category(s): Electrical
Wideband, High-Power, and Tunable Plasma Phase Shifters
High-power RF and microwave systems increasingly require phase-shifting components that can operate over broad frequency ranges while maintaining low insertion loss, high power handling, compact size, rapid tuning, and stable performance in demanding environments. Phase shifters are central to active electronically scanned array (AESA), beamforming...
Published: 7/28/2026   |   Updated: 7/8/2026   |   Inventor(s): Abbas Semnani, Kushagra Singhal, Syeda Nida Zahara Kazmi
Keywords(s):  
Category(s): Electrical
Absorptive and Frequency-Selective Plasma Limiters
In the field of electronic circuits, ensuring signal integrity while protecting sensitive components from damage due to excessive signal levels is important. Limiter circuits may b-e used to handle issues by managing and controlling signal amplitude. Conventional limiter circuits often face challenges in accurately maintaining signal quality, especially...
Published: 4/15/2026   |   Updated: 3/26/2026   |   Inventor(s): Sandeep Narasapura Ramesh, Abbas Semnani
Keywords(s):  
Category(s): Electrical
Super-Directive Huygens Antennas based on Crossed Electric and Magnetic Dipoles
The antenna industry has experienced substantial growth in recent years due to escalating demands for high-speed connectivity and the proliferation of smart devices. Traditional patch antennas, which are widely used because of their low profile and ease of fabrication, typically achieve a gain of only about 2–3 dBi. A new super-directive patch...
Published: 4/15/2026   |   Updated: 6/24/2025   |   Inventor(s): Muhammad Rizwan Akram, Abbas Semnani
Keywords(s):  
Category(s): Electrical, Sensor
Dielectric Anapole Microwave Plasma Jet
Project ID:TECH-2024-12 Cold plasma is a critical technology in many application fields, including microelectronic fabrication, plasma medicine, flow control, lighting, propulsion, and sterilization. However, generating stable plasma is not a trivial task as energy-hungry machines are often required. Currently, igniting and sustaining plasma is...
Published: 4/6/2026   |   Updated: 5/21/2024   |   Inventor(s): Muhammad Rizwan Akram, Abbas Semnani
Keywords(s):  
Category(s): Electrical, Manufacturing
High-Efficiency Microwave Plasma Jet
­Project ID: D2021-25 Background Plasma jets are currently made with bulky and expensive equipment that consumes a lot of energy. Most commercially available plasma jets utilize high-voltage pulses (e.g., 100s of V to kV) or high-power radio frequency (RF) sources (e.g., 10s of W), even though low-power plasma with effective surface power density...
Published: 4/21/2026   |   Updated: 1/12/2022   |   Inventor(s): Abbas Semnani, Kazi Kabir
Keywords(s): Plasma jet
Category(s): Electrical, Tools