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Frequency-Locked Optical Microresonator System for Trace Detection of Mustard Gas

This invention is an optical sensing system for trace detection of mustard gas. It is a method of detecting small quantities of gases (such as mustard gas) using the Frequency-Locked Optical Whispering Evanescent Resonator (FLOWER) technique. Background: Optical microresonators are photonic devices that confine light in tiny volumes with very high-quality...

Published: 9/30/2025 | Inventor(s): Tsu-Te Su, Yinchao Xu, Chloe Cerione, Adam Zoll, Sartanee Suebka, Euan Mcleod, Brian Stoltz

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Sensors & Controls > Chemical & Gas

High-Sensitivity Acoustic Sensing via Free-Space Coupled Microtoroid Resonators

This technology introduces a high-sensitivity acoustic sensing system based on a microtoroid resonator paired with a free-space optical coupling setup. Sound waves in the environment create tiny vibrations that shift the resonator’s frequency, allowing even subtle acoustic signals to be picked up with great precision. Unlike traditional sensor...

Published: 8/11/2025 | Inventor(s): Tsu-Te Su, Sartanee Suebka

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing