UW-Madison researchers have developed a battery-less tag that can harvest energy from radio signals above ground and send an active response, which is used to estimate the soil moisture. There are two...
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UW-Madison researchers have developed a plasma ion source that exhibits a short delay between voltage application and ion beam initiation with low variance in the observed delay (i.e., jitter). Typica...
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UW-Madison researchers have developed a room-temperature infrared sensor with high detection efficiency over a wide IR spectral band. Room-temperature operation makes this technology easier to use tha...
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UW-Madison researchers have created a spiral inductor for on chip electromagnetic signal conversion. The spiral inductors include an electrically conductive spiral coil and a nitrogen vacancy (NV) dia...
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UW-Madison researchers have developed a new way to monitor the behavior of electrochemical double layers (EDL) by bringing them into spontaneous oscillation. The inventors used a modified multivibrato...
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UW-Madison researchers, in conjunction with an industry partner, have developed a printed serpentine trace that can act as both a temperature sensor and a strain/flow sensor. It is integrated on a sin...
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Optical metasurfaces enable unprecedented control over electromagnetic wave manipulation. By leveraging powerful resonance mechanisms supported by subwavelength structures arranged in two-dimensional ...
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Real-time vibration sensing is important in a variety of applications in industry, health care, and environmental monitoring. For example, vibration monitoring can assist in the prediction of natural ...
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In conjunction with their industrial partner, UW-Madison researchers have created a passive capacitive sensor that uses thin-film electrodes placed in an interdigitated pattern to sense a variety of k...
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Characterizing the mechanical properties of multiphasic materials can be important in many applications. In the food industry, for instance, such characterization can help evaluate dehydration and aid...
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The range of passive RFID tags is constrained by three factors. The first is that the reflected energy to the reader rapidly decreases with distance between the reader and the RFID tag both with respe...
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Nitrate is a nutrient that helps plants grow, but too much of it can be harmful. Nitrate monitoring can be used to reduce the amount of fertilizer needed, which is better for the environment and can ...
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Wildfires occur naturally in many ecosystems worldwide; however, the frequency of wildfires has increased in recent years. The United States National Interagency Fire Center reports that the total bur...
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A UW-Madison researcher has developed a celestial guidance system that uses radio imaging of celestial bodies including the galactic plane received by an interferometric antenna array to provide robus...
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Soil produces or consumes gases such as carbon dioxide, methane, nitrous oxide, ammonia, and oxygen through normal biological and geological processes. Current soil gas-flux measurement systems are ex...
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UW-Madison researchers have developed cell-based DNA sensors to achieve easy, accurate, and cost-effective detection of pathogens. Using synthetic biology, the inventors engineered the naturally compe...
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Soft materials are everywhere. In many applications, valuable information about the strength of these materials enables more precise control in everything from cutting and processing soft foods to des...
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Building off their earlier work with LC-infused multilayer films, the inventors developed a method for directly infusing LCs into porous PTFE membranes.  The resulting materials have desirable charac...
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UW-Madison researchers and collaborators from Wesleyan University have shown, using an exceptional point (EP)-based PT-symmetric electromechanical accelerometer, that increases in technical noise can ...
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UW researchers have invented a Cesium Lattice Optical Clock (CLOC) for high performance and simple operation in a compact form factor. The novel design uses a “forbidden” optical transition in Cs ...
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A UW-Madison researcher has developed a method for predicting subsurface mechanical properties using distributed strain measurements obtained from applied perturbations. The method relies on model cha...
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UW-Madison researchers, working in collaboration with researchers from Cornell, developed metal-oxide based liquid crystal (LC) sensors for monitoring catalytic reactions. The inventors used a previou...
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UW–Madison researchers have combined the innate sensing capabilities of biological compounds with the power of electronics to create a hybrid “bio-electronic” network. This enables new biosensor...
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A capacitive touch sensor is provided, The capacitive touch sensor includes a plate having an upper surface and lying in a plate plane. A generally planar, first electrode is spaced from the plate alo...
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Radiation detectors based on high electron mobility transistors (HEMTs) are provided. Methods for detecting ultraviolet radiation using the HEMTs are also provided. The transistors are constructed fro...
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