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Polymeric Chromogenic Sensor to Analyze Ethanol Concentration in Gasoline, Drugs and Other Liquid Products
Changes Color upon Contact with Chemical Analytes to Detect and Quantify the Presence of a Liquid in Commercial Liquid ProductsThis chromogenic sensor uses shape memory polymer gratings to detect the concentration of ethanol in gasoline and other commercial liquid products. One of the most common uses of ethanol is as a fuel additive to reduce air pollution,...
Published: 6/27/2021
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Inventor(s): Peng Jiang, Zhuxiao Gu, Sin-Yen Leo
Keywords(s): optical discs, optics, polymer, Sensors, shape memory polymer
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials, Technology Classifications > Environmental > Water
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Automated Device for Measuring Bidirectional Reflectance Distribution Function
Utilizes Spectral Measurements at Various Elevation Angles to Calculate BRDFThis automated measuring device obtains spectral data from various azimuth and elevation angles around a specific object to generate a bidirectional reflectance distribution function (BRDF) so that scientists can better understand, view, and predict the physical location of...
Published: 6/27/2021
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Inventor(s): Norman Fitz-Coy, Kunal Patankar, Matthew Moraguez
Keywords(s): BDRF, Bi-directional reflectance distribution funct, Imaging system, optics, spectral measurements
Category(s): Technology Classifications > Engineering > Others
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Optical Device to Protect Privacy in 3D Time-of-Flight (TOF) Cameras
Privacy-Protecting Optics Address Concerns over Video Data Collected by Sensor Video Devices These privacy-preserving optics filter or modulate light before it reaches the sensor of time-of-flight cameras, preserving the privacy of subjects seen on live camera feeds and recordings without impacting depth quality. The video surveillance, gesture recognition...
Published: 1/5/2023
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Inventor(s): Sanjeev Koppal, Francesco Pittaluga
Keywords(s): Computer Vision, imaging, image processing, pattern recognitio, optics, Privacy
Category(s): Technology Classifications > Engineering > Computer Science, Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics, Technology Classifications > Software > Others
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Photonic Synthesis of Multiple Telescopes that Inexpensively Replicates Large Aperture Telescopes
A Scalable Design Uses Commercial-off-the-Shelf Parts to Mimic the Results of Large Aperture Telescopes This scalable design synthesizes multiple smaller, inexpensive telescopes to achieve the benefits of traditionally used large aperture telescopes at a significantly reduced cost. The design utilizes photonic technology to link the smaller telescopes...
Published: 7/20/2021
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Inventor(s):
Keywords(s): Fiber Optic Technology, optics, telescope
Category(s): Technology Classifications > Environmental > Air, Technology Classifications > Others > Others, Technology Classifications > Others > Security
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