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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: 6/6/2024
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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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Lensfree Microscopy for Ultrafine Particulate Matter Monitoring
This system monitors ultrafine particulate matter and pollution in the air using compact, inexpensive, and portable devices, which enable time-resolved measurements particle sizes. It could be used to implement a dense network of devices, which provide ultra-precise real-time monitoring of air content and quality levels.
Background:
Particulate matter...
Published: 10/11/2023
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Inventor(s): Euan Mcleod, Maryam Baker
Keywords(s):
Category(s): Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Energy, Cleantech & Environmental > Air/Water Purification, Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection
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Trapped particle classification in additive manufacturing
This technology is an improvement to a rapid design approach for designing nanophotonic devices. It is a method of optical positioning and linking (OPAL) using highly focused lasers (sometimes called “optical tweezers”) used for nanofabrication of molecules for devices, drugs, and other nano-metamaterials.
Combined with the previous optical...
Published: 3/10/2024
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Inventor(s): Euan Mcleod, Natalie Shultz
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Engineering & Physical Sciences > MEMS & Nanotechnology, Technology Classifications > Imaging & Optics > Fiber Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Sensors & Controls > Biologic, Technology Classifications > Imaging & Optics > Telecommunications > Electro-Optic Devices
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Quantitative Large Area Binding Sensor For Detecting Biomarkers
Researchers at the University of Arizona have developed a lens-free holographic microscope (LFHM) for observing and quantifying target biomarkers in a solution, including targets with a large dynamic range in concentration. LFHM can be used to detect microscale targets (e.g., bacteria and cells) and nanoscale targets (e.g., viruses, DNA strands, and...
Published: 2/2/2024
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Inventor(s): Euan Mcleod, Zhen Xiong
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging
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Super Resolution Lens Free Microscopy
This invention describes a design for a lens free microscope system that can achieve resolution significantly better than current technologies. The technology involves the use of a nanostructured mask to encode high resolution information about the object that would normally be lost due to diffraction.
Background:
Lens free microscopes are advantageous...
Published: 4/3/2023
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Inventor(s): Euan Mcleod, Maryam Baker
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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System and Method for Rapid Prototyping of 3D Heterogeneous Nanostructures
This invention is a system and method used for optically positioning and linking colloidal nanoparticles using an optical tweezer. This invention allows for precise positioning and chemical coatings for linking. It is similar to a 3D printer in that it is capable of nanoscale 3D printing of objects and structures that are made of several different materials...
Published: 4/3/2023
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Inventor(s): Euan Mcleod, Jeffrey Melzer
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection
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Method of Rapid Nanophotonic Design and a Nanophotonic Waveguide to Fiber Coupler
Researchers at the University of Arizona have developed a rapid design approach for designing nanophotonic devices. The invention is a novel implementation of an iterative optimal approach related to the known coupled dipole modeling approach. The novel implementation is several orders of magnitude faster than finite difference time domain approaches.
Background:...
Published: 6/21/2024
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Inventor(s): Euan Mcleod, Weilin Liu
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
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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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