Search Results - gerard+wysocki

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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 (DM-FRS)....
Published: 7/29/2022   |   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: 12/15/2022   |   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: 9/30/2022   |   Inventor(s): Michal Nikodem, Gerard Wysocki
Category(s): Mechanical/Electrical Engineering

Chirped Laser Dispersion Spectroscopy for remote sensing

Princeton Docket # 11-2700-1 Detection of molecular species is of importance in a number of industrial, health and atmospheric monitoring applications. Existing spectroscopic gas sensing instrumentation has some fundamental limitations, primary due to the fact that signals carrying the useful information are encoded in light intensity, thus the measurements...
Published: 6/9/2022   |   Inventor(s): Gerard Wysocki, Michal Nikodem
Category(s): Mechanical/Electrical Engineering