Search Results - mechanical%2felectrical+engineering

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Active stabilization of parasitic fringes in optical spectrometers
Active Etalon Stabilization for Precise Optical Spectrometer Performance (Princeton Docket #20-3680) Inventors: Gerard Wysocki, Chu Cheyenne Teng Optical spectrometers are critical in environmental monitoring, industrial process control, and chemical analysis, where precision is paramount. However, parasitic interference fringes (etalons) caused...
Published: 5/14/2025   |   Inventor(s): Gerard Wysocki, Chu Teng
Keywords(s):  
Category(s): Mechanical/Electrical Engineering, Mechanical Engineering and Robotics
Optical-Feedback-Stabilized Semiconductor Frequency Combs
Optical-feedback-stabilized semiconductor frequency combs (Princeton Docket # 19-3580) Inventors: Gerard Wysocki, Jonas Westberg, Chu Teng The optical-feedback-stabilized semiconductor frequency comb is a breakthrough technology that dramatically enhances the stability and operational range of chip-scale laser frequency combs. By integrating a simple,...
Published: 5/14/2025   |   Inventor(s): Chu Teng, Jonas Westberg, Gerard Wysocki
Keywords(s):  
Category(s): Mechanical Engineering and Robotics, Mechanical/Electrical Engineering
Chirped Laser Dispersion Spectroscopy Sensitivity Booster
Chirped Laser Dispersion Spectroscopy Sensitivity Booster (Princeton Docket # 16-3267) Inventors: Gerard Wysocki, Genevieve B. Plant, Yifeng Chen Laser-based gas sensing has entered a new era of precision with this innovative technology designed to overcome traditional sensitivity limitations. By integrating a local oscillator channel and advanced...
Published: 5/14/2025   |   Inventor(s): Genevieve Plant, Yifeng Chen, Gerard Wysocki
Keywords(s):  
Category(s): Mechanical/Electrical Engineering
Fast Computational Phase and Timing Correction for Multiheterodyne Spectroscopy
Fast Computational Phase and Timing Correction for Multiheterodyne Spectroscopy (Princeton Docket # 17-3351) Inventors: Gerard Wysocki, Jonas Westberg, Lukasz Sterczewski Digital phase and timing correction techniques address critical challenges in multiheterodyne and dual-comb spectroscopy by compensating for laser instabilities, enabling high-resolution...
Published: 5/14/2025   |   Inventor(s): Gerard Wysocki, Lukasz Sterczewski, Jonas Westberg
Keywords(s):  
Category(s): Mechanical Engineering and Robotics, Mechanical/Electrical Engineering
A device and method for path-integrated optical sensing and simultaneous retroreflector tracking using a multi-functional position-sensing photodetector
Multifunctional optical sensor for simultaneous spectroscopic measurement and adaptive target tracking (Princeton Docket # 23-4045) Inventors: Gerard Wysocki, Michael Soskind, Felix Kleemann This invention is a multifunctional, open-path optical sensing system that enables simultaneous high-sensitivity spectroscopic measurement (specifically methane...
Published: 5/14/2025   |   Inventor(s): Gerard Wysocki, Michael Soskind, Felix Kleemann
Keywords(s):  
Category(s): Mechanical Engineering and Robotics, Mechanical/Electrical Engineering
Simultaneous Ranging and Remote Chemical Sensing Utilizing Optical Dispersion or Absorption Spectroscopy
Simultaneous Ranging and Remote Chemical Sensing Utilizing Optical Dispersion or Absorption Spectroscopy (Princeton Docket # 14-3039) Inventors: Gerard Wysocki, Andreas Hangauer Princeton researchers have developed a novel methodology that enables simultaneous ranging and spectroscopic chemical detection, combining capabilities that are not achievable...
Published: 5/14/2025   |   Inventor(s): Andreas Hangauer, Gerard Wysocki
Keywords(s):  
Category(s): Mechanical/Electrical Engineering
A New Dopant for Iron (II) Oxide-Based Solar Energy Conversion Devices: Enhanced Conductivity and Low Cost
Princeton Docket # 12-2823 Solar energy conversion devices include photovoltaics, photoelectrochemical cells and photocatalysts, which convert the energy of sunlight into electricity and produce fuels from carbon dioxide and water. Different materials for making the solar energy conversion devices exhibit different energy conversion efficiencies...
Published: 1/16/2025   |   Inventor(s): Emily Carter, Maytal Toroker
Keywords(s): solar cell
Category(s): Mechanical/Electrical Engineering
HIGH OUTPUT, FLEXIBLE PIEZOELECTRIC DEVICES
Princeton Docket # 10-2585 Researchers at Princeton have developed a new design for highly flexible, high output piezoelectric assemblies. Princeton is seeking an industrial partner to commercialize this technology. Current and past devices have relied on low output piezoelectric compounds and mechanical...
Published: 4/10/2025   |   Inventor(s): Michael McAlpine, Yi Qi
Keywords(s):  
Category(s): Mechanical/Electrical Engineering
A Device for Harvesting Mechanical Energy Through a Piezoelectrochemical Effect
Princeton Docket # 15-3135-1Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have developed a piezoelectrochemical device which uses mechanical stress to produce a voltage/current.Mechanical energy harvesting is an increasingly important method of providing power to distributed sensor networks where physical...
Published: 2/25/2025   |   Inventor(s): Craig Arnold, John Cannarella
Keywords(s): battery, energy
Category(s): Mechanical/Electrical Engineering
Random and Safe (RaS) Cache Architecture to Defeat Cache Timing Attacks
Random and Safe (RaS) Cache Architecture to Defeat Cache Timing Attacks Princeton Docket # 25-4192-1 Princeton University researchers have developed an innovative hardware solution known as Random and Safe (RaS) caches to address critical security vulnerabilities in modern computer systems. This technology significantly enhances security by effectively...
Published: 12/11/2024   |   Inventor(s): Ruby Lee, Guangyuan Hu
Keywords(s):  
Category(s): Mechanical/Electrical Engineering
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