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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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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
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Inventor(s): Genevieve Plant, Yifeng Chen, Gerard Wysocki
Keywords(s):
Category(s): 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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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
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Inventor(s): Andreas Hangauer, Gerard Wysocki
Keywords(s):
Category(s): Mechanical/Electrical Engineering
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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
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Inventor(s): Yin Wang, Gerard Wysocki
Keywords(s): Imaging, Opto-Electronics/ELE ENG
Category(s): Mechanical/Electrical Engineering
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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
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Inventor(s): Gerard Wysocki, Damien Weidmann
Keywords(s): gas sensing, laser, Opto-Electronics/ELE ENG
Category(s): Medical Devices/Diagnostics, Mechanical/Electrical Engineering
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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
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Inventor(s): Michal Nikodem, Gerard Wysocki
Keywords(s):
Category(s): Mechanical/Electrical Engineering
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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
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Inventor(s): Gerard Wysocki, Michal Nikodem
Keywords(s):
Category(s): Mechanical/Electrical Engineering
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