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: 12/17/2025 | 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

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: 9/25/2025 | 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: 10/7/2025 | Inventor(s): Michal Nikodem, Gerard Wysocki

Keywords(s):

Category(s): Mechanical/Electrical Engineering

Chirped Laser Dispersion Spectroscopy for remote sensing

A device and method for path-integrated optical sensing and simultaneous retroreflector tracking using a multi-functional position-sensing photodetector 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...

Published: 5/14/2025 | Inventor(s): Gerard Wysocki, Michal Nikodem

Keywords(s):

Category(s): Mechanical/Electrical Engineering