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Ultra-Sensitive, Selective, and Humidity Resistant Detection of Nitric Oxide
This invention is a Whispering-Gallery Mode (WGM) microtoroidal optical resonator designed for ultra-sensitive detection of nitric oxide gas, achieving remarkable precision with a detection limit as low as 2.34 parts per trillion (ppt). This exceptional sensitivity is achieved through the utilization of ferrocene-containing polymeric coatings created...
Published: 1/10/2024
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Inventor(s): Tsu-Te Su, Yinchao Xu, Allison Stanko, Chloe Cerione, Trevor Lohrey, Euan Mcleod, Brian Stoltz
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection
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Photothermal Microscopy Using Whispering Gallery Microcavities
This invention uses a photothermal spectroscopy method to detect and identify individual molecules/particles without the use of fluorescent tags or radioactive ligands. Whispering gallery optical sensor technologies are on the cutting edge of biosensing technology. Photothermal microscopy has found applications in diverse fields, including materials...
Published: 9/5/2023
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Inventor(s): Tsu-Te Su, Shuang Hao
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics
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Thermal Drift Calibration of Whispering Gallery Mode Microcavities using Optical Frequency Domain Reflectometry
This technology utilizes optical frequency domain reflectometry (OFDR) to collect high resolution temperature measurements in biochemical applications. More specifically, accuracy of measurements is increased in the spatial domain via the OFDR technology being studied in conjunction with whispering gallery mode biochemical sensing. While temperature...
Published: 5/2/2023
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Inventor(s): Tsu-Te Su, Cheng Li
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices
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Integrated Frequency Locked Optical Whispering Evanescent Resonator (FLOWER) based on Raspberry Pi
Raspberry Pi is a card-sized mini-computer, which acts as a data processing center that replaces the prior commercial frequency locking system. It greatly reduces the size and the weight of the FLOWER system, making it possible for the FLOWER system to be carried by people or mounted on a drone.
This optical technology has remote sensing capabilities...
Published: 9/11/2023
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Inventor(s): Tsu-Te Su, Shuang Hao, Gwangho Choi
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging
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Microcavity Surface Bioconjugation Using Unilamellar Lipid Membranes For Label Free, Ultrasensitive Detection Of Alzheimer's Biomarkers
This invention outlines a new way of preparing a microtoroid optical resonator for the purpose of detecting amyloid-β plaque. Traditional ways of surface functionalization leave roughness on the optical resonator, making it difficult to achieve a higher Q-factor. This invention provides a new way of smoothing the surface of a resonator so that...
Published: 9/11/2023
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Inventor(s): Phuong Diem Nguyen, Tsu-Te Su, Adley Gin, Erol Ozgur
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection
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Label-Free Single Molecule Spectroscopy and Detection
This invention incorporates FLOWER with dual frequency comb spectroscopy for molecular detection as well as identification. University of Arizona researchers have improved the signal to noise ratio of these measurements more than 1,000 times using frequency locking feedback control in combination with innovative data processing techniques.
This optical...
Published: 9/11/2023
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Inventor(s): Tsu-Te Su
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Devices & Instrumentation, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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Robust and Portable Microresontor Sensor Coupling Design
This technology is a novel design for an optical coupler that is more robust, easier to fabricate, and not as fragile as a regular coupler. This technology has great potential for portability due to it's robust design and does not require tapered optical fibers with high nano-positioning requirements, making it easier to mass produce.
Background:
Regular...
Published: 4/3/2023
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Inventor(s): Tsu-Te Su, Euan Mcleod
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Telecommunications
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