Search Results - gerard+wysocki

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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
CLaDs
A portable CLaDS instrument has been deployed for the environmental monitoring of nitrous oxide at Princeton University (invention partners). This proved the instruments enhanced properties over other traditional sensors, and shows outstanding performance in terms of sensitivity, robustness and reliability of results. A table –top instrument...
Published: 10/10/2024   |   Inventor(s): Damien Weidmann, Gerard Wysocki
Keywords(s): 02.c. Process control and logistics, 03.a. Other Industrial Technologies, 03.b. Process Plant Engineering, 06.a. Medicine, Human Health, 09.a. Measurement Tools, 09.c. Electronic measurement systems, 10.b. Environment
Category(s): Sensors & detectors, Scientific Instrumentation, Optics & Lasers, Manufacturing & Process Engineering, Security Applications, Medical & Biomedical
Dual-Modulation Faraday Rotation Spectroscopy
DUAL-MODULATION FARADAY ROTATION SPECTROSCOPY Princeton Docket # 12-2818-1 Researchers at Princeton University have developed a new method for simultaneously monitoring multiple paramagnetic species with high sensitivity and selectivity. A new dual modulation/demodulation process is applied to perform Faraday rotation spectroscopy...
Published: 4/10/2025   |   Inventor(s): Yin Wang, Gerard Wysocki
Keywords(s): Imaging, Opto-Electronics/ELE ENG
Category(s): Mechanical/Electrical Engineering
Highly Sensitive Trace-Gas Sensing Method Based on Laser Spectroscopic Sensing of Anomalous Molecular/Atomic Dispersion
Princeton Docket # 10-2584-1 Researchers from Princeton University and the STFC Rutherford Appleton Laboratory (UK) have developed a novel method of high sensitivity molecular detection based on detection of refractive index changes around the absorption line. This method employs heterodyne interferometric measurement with a frequency...
Published: 4/10/2025   |   Inventor(s): Gerard Wysocki, Damien Weidmann
Keywords(s): gas sensing, laser, Opto-Electronics/ELE ENG
Category(s): Medical Devices/Diagnostics, Mechanical/Electrical Engineering
An Innovative Tool for Isotopic Ratio Measurements, Environmental Monitoring and Gas Sensing for Industrial Process Control
Princeton Docket # 12-2762 Researchers at Princeton University have developed differential optical dispersion spectroscopy (DODiS), a precise trace-gas sensing technology that enables direct optical subtraction of dispersion spectroscopic signals produced by two different gas samples. Princeton is currently seeking industrial collaborators to commercialize...
Published: 5/14/2025   |   Inventor(s): Michal Nikodem, Gerard Wysocki
Keywords(s):  
Category(s): Mechanical/Electrical Engineering
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