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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UW-Madison and Morgridge Institute researchers have identified developed an improved method for depositing samples on electron microscopy (EM) grids. The technology leverages a modified mass spectrome...
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A UW-Madison researcher has developed an improved method and associated system for coherent multidimensional spectroscopy (CMDS). CMDS is based on the formation of Schrӧdinger cat states by exciting ...
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UW-Madison researchers have developed improved methods and systems for characterizing soil using visible-near-infrared spectroscopy (vis-NIRS) data. Combining their spectrographic data with additional...
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UW Madison researchers have devised a simplified super-resolution microscope with resolving features smaller than the diffraction limits of the optical system. The new super-resolution microscope expl...
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A multidimensional spectrometer provides broadband white light pump and probe pulses to allow acquisition of multidimensional spectral information over a wide range commensurate with solar-related che...
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Methods for pump-probe spectroscopy are provided. In an embodiment, such a method comprises directing pump light having a frequency ωpump at a location in a sample to excite a transition between two ...
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An improved non-line-of-sight camera provides for real-time evaluation of a relay wall with respect to illuminated points and sensing areas for higher accuracy and practical field use. Gated sensing a...
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Measuring biomolecular interactions is a critical component in studies focused on nucleic acid and protein binding. For instance, in the pharmaceutical industry, it is crucial in the drug discovery an...
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Studying molecular properties in complex chemical and biological samples, including live cells, requires sufficient spatial resolution and contrast between different substructures. To achieve enhanced...
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Spectrometers are optical instruments used to measure light. They work by detecting spectral lines and measuring their wavelength or intensity. Spectrometers have many applications, including telecomm...
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Remote spectrographic measurements can be made using a fiber optic guide attached to a “U-bench,” an optical component that supports a light emitter opposite from a light collector or a mirror acr...
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Two-dimensional spectroscopy can reveal interactions between coupled systems of atoms and/or molecules. Advanced spectroscopy techniques including two-dimensional infrared (2-D IR) and electronic (2-D...
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Absorption spectroscopy is a chemical analysis tool that measures light absorption of a material over a range of frequencies. In laser absorption spectroscopy, a laser may be directed through the mate...
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Spectroscopic studies evaluate the response of a specimen to different colors of light. Lasers are normally used in spectroscopic studies; however, lasers typically operate in one or more cavity modes...
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Ultraviolet (UV) lamps are used as a source of white (multi-colored) UV light for many applications; however, these lamps are large and expensive, require a high voltage, generate a lot of heat and ma...
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Spectrometry is an analysis technique in which certain frequencies of light, relating to the absorption lines of a chemical species, are used to determine the chemical’s properties.  Some m...
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Over the last eight years, academic researchers have been developing a new set of spectroscopic techniques that are multidimensional versions of visible and infrared spectroscopies, such as two-dimens...
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Measurements of emission and absorption spectra provide a valuable means of identifying and analyzing gases, liquids and solids. Fourier transform infrared (FTIR) and grating spectrometers are two com...
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Many industries including electronics, automotive, aerospace, telecommunications and healthcare have been exploring the use of superior super-nanomaterials such as carbon nanotubes and graphene. Altho...
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Terahertz (THz) radiation holds tremendous potential for applications ranging from medical imaging technology to security and public safety. So far, the use of THz radiation beams has been limited by ...
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Although knowing gas composition and temperature in an engine combustion cylinder is important for engine research and development, current methods for obtaining this information are qualitative and i...
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Skin cancer detection is typically identified via standard visual inspection. Skin patches with asymmetrical outlines, irregular borders, mottled color or a diameter greater than six millimeters are a...
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Multi-wavelength fiber lasers provide cost-effective and versatile light sources for applications including high-speed optical communication systems, optical fiber sensors and time- and frequency-reso...
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