Physical-Engineering Research Summaries

Robust, scalable phase control system for non-invasive neuromodulation devices
Li, Jr-Shin ; Zlotnik, Anatoly
T-016206

— Technology Description: Researchers in Prof. Jr-Shin Li’s laboratory have developed a robust, scalable, patented technology to control and entrain complex, noisy, non-linear oscillating systems such as neuronal firing and circadian rhythms. This system uses a single global, open-loop control …

Compressed-sensing Ultrafast Photography (CUP)
Gao, Liang ; Liang, Jinyang ; Wang, Lihong
T-014733

— Compressed-sensing ultrafast photography (CUP) is an ultrafast imaging technique that can capture non-repetitive, time-evolving events at up to 100 billion frames per second. Compared to existing ultrafast imaging methods, CUP has a prominent advantage in measuring an x, y, t (x, y, spatial coordina…

Improved NMR sensitivity with an integrated EPR-NMR spectrometer
Barnes, Alexander
T-014431

— Technology Description Researchers in Dr. Alexander Barnes’s lab at Washington University have developed a low-noise integrated EPR-NMR spectrometer with improved NMR sensitivity and faster acquisition times. This patented device can increase sensitivity in NMR experiments (potentially by a …

Compressed-sensing Ultrafast Photography (CUP)
Gao, Liang ; Liang, Jinyang ; Wang, Lihong
T-014733

— Compressed-sensing ultrafast photography (CUP) is an ultrafast imaging technique that can capture non-repetitive, time-evolving events at up to 100 billion frames per second. Compared to existing ultrafast imaging methods, CUP has a prominent advantage in measuring an x, y, t (x, y, spatial coordina…

Chaotic Optomechanical Resonators
Ozdemir, Sahin ; Yang, Lan
T-016229

— Background: Chaos is considered hypersensitive to conditions of a system and is often thought to be unpredictable and difficult to explain. However, recent work has shown that chaos can be added as noise to improve amplification of weak signals through stochastic resonance. Stochastic resonance has …

Compressed-sensing Ultrafast Photography (CUP)
Gao, Liang ; Liang, Jinyang ; Wang, Lihong
T-014733

— Compressed-sensing ultrafast photography (CUP) is an ultrafast imaging technique that can capture non-repetitive, time-evolving events at up to 100 billion frames per second. Compared to existing ultrafast imaging methods, CUP has a prominent advantage in measuring an x, y, t (x, y, spatial coordina…

Controlling charge doping in 2D materials
Balgley, Jesse ; Henriksen, Erik
T-019602

— Technology Description Researchers at Washington University in St. Louis have developed a method to control charge doping in 2D materials like graphene. This method uses α-RuCl3 to create pn junctions at a smaller scale than silicon transistors. While α-RuCl3 efficiently removes el…

Real-time air and water quality monitoring with AI-based data analysis and low cost sensors
Biswas, Pratim ; Li, Jiayu
T-018523

— Technology Description Prof. Pratim Biswas and colleagues have developed an artificial intelligence platform to provide accurate, low-cost analysis of air and water quality by integrating data gathered from particulate matter (PM) sensors and other sources. This technology could be used to make th…

Compressed-sensing Ultrafast Photography (CUP)
Gao, Liang ; Liang, Jinyang ; Wang, Lihong
T-014733

— Compressed-sensing ultrafast photography (CUP) is an ultrafast imaging technique that can capture non-repetitive, time-evolving events at up to 100 billion frames per second. Compared to existing ultrafast imaging methods, CUP has a prominent advantage in measuring an x, y, t (x, y, spatial coordina…

Chaotic Optomechanical Resonators
Ozdemir, Sahin ; Yang, Lan
T-016229

— Background: Chaos is considered hypersensitive to conditions of a system and is often thought to be unpredictable and difficult to explain. However, recent work has shown that chaos can be added as noise to improve amplification of weak signals through stochastic resonance. Stochastic resonance has …

Accurate, efficient 2D strain mapping with robust detection of strain localization
Boyle, John ; Genin, Guy ; Pless, Robert ; Thomopoulos, Stavros
T-014090

— Summary DDE (Direct Deformation Estimation) and SIMPLE (Strain Interference with Measures of Probable Local Elevation) are two simple Digital Image Correlation algorithms that combine image analysis techniques with mechanical engineering principles to provide accurate, efficient, quantitative strai…

Self-powered, solid-state devices for remote sensing, timing and security of internet-of-things and other passive assets
Chakrabartty, Shantanu ; Zhou, Liang
T-015908

— Technology Description Engineers in Prof. Shantanu Chakrabartty’s laboratory have developed a self-powered, CMOS-based, nano-scale “smart sensor” and timer system that uses quantum-tunneling for reliable, long-lasting memory or authentication. This technology is a floating gate …

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