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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
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Inventor(s): Gerard Wysocki, Chu Teng
Keywords(s):
Category(s): Mechanical/Electrical Engineering, Mechanical Engineering and Robotics
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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
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Inventor(s): Chu Teng, Jonas Westberg, Gerard Wysocki
Keywords(s):
Category(s): Mechanical Engineering and Robotics, Mechanical/Electrical Engineering
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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
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Inventor(s): Gerard Wysocki, Lukasz Sterczewski, Jonas Westberg
Keywords(s):
Category(s): Mechanical Engineering and Robotics, Mechanical/Electrical Engineering
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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
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Inventor(s): Gerard Wysocki, Michael Soskind, Felix Kleemann
Keywords(s):
Category(s): Mechanical Engineering and Robotics, Mechanical/Electrical Engineering
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Lightweight Out of Order Scheduler for GPUs
Princeton Docket # 24-4082-1
Graphics processing units (GPUs) accelerate parallel applications, such as machine learning and autonomous vehicles. Despite abundant parallelism in these applications, many programs still exhibit significant stalls. Previous proposals suggest adding out-of-order (OoO) execution...
Published: 4/14/2025
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Inventor(s): Ishita Chaturvedi, Bhargav Godala, David August
Keywords(s):
Category(s): Computer Science and Information Technology, Mechanical Engineering and Robotics
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Jet Assisted Wet Spinning of Photopolymerizable Material
Princeton Docket # 22-3931-1
Jet Assisted Wet Spinning (JAWS), an innovative fiber manufacturing technology developed by Princeton University researchers, offers unparalleled control and versatility in producing photopolymerized fibers. The process enables precise diameter tuning, allowing for...
Published: 9/19/2024
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Inventor(s): Howard Stone, Zehao Pan, Janine Nunes
Keywords(s):
Category(s): Mechanical Engineering and Robotics
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Variable Radii Bitter Spiral Crystal Spectrometer
Princeton Docket #22-3922-1
A novel high-resolution x-ray spectrometer for small or point-like emission sources has been developed using a crystal shape having both a variable major and minor radius of curvature. This variable-radii spiral spectrometer (VR-Spiral) allows five key spectrometer design...
Published: 10/21/2024
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Inventor(s): Novimir Pablant, Manfred Bitter, Kenneth Hill, Lan Gao, Frances Kraus, Philip Efthimion
Keywords(s): engineering
Category(s): Medical Devices/Diagnostics, Mechanical Engineering and Robotics
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Low Temperature Plasma Device for Sterilization and Antiviral Applications
Princeton Docket # 20-3699
Researchers at Princeton Plasma Physics Laboratory, Princeton University have designed a flexible dielectric-barrier discharge (DBD) device which produces a uniform, cold plasma for disinfection and sterilization. The device can easily be made into...
Published: 3/26/2025
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Inventor(s): Yevgeny Raitses, Shurik Yatom, Sophia Gershman
Keywords(s): low-temperature plasma
Category(s): Medical Devices/Diagnostics, Biotechnology/Pharmaceuticals, Mechanical Engineering and Robotics
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A rocket thruster that could take humans to Mars and beyond
Docket: 21-3746-1
A new type of rocket thruster propels a spacecraft by taking advantage of the physical mechanism that accelerates solar flares. The thruster would apply magnetic fields to force particles of electrically charged gas, or plasma, to shoot out the back of a rocket at high velocity,...
Published: 6/11/2024
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Inventor(s): Fatima Ebrahimi
Keywords(s): thrusters
Category(s): Energy and CleanTech, Quantum Computing and Electrical Engineering, Mechanical Engineering and Robotics
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Princeton Docket # 21-3764
Motivated by the current COVID-19 pandemic, Researchers at Princeton Plasma Physics Laboratory, Princeton University, have designed a novel plasma-based in-situ device for decontaminating air flow from viruses and bacteria in real time. The use of cold, low temperature plasma to eradicate pathogens is a tested and effective...
Published: 3/1/2023
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Inventor(s): Shurik Yatom, Sophia Gershman, Yevgeny Raitses, Philip Efthimion
Keywords(s):
Category(s): Medical Devices/Diagnostics, Mechanical Engineering and Robotics
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