Wisconsin Alumni Research Foundation

Technology

Testing the Strength of Soft Materials

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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Melih Eriten, Corinne Henak | P220230US01

Technology

Terahertz Quantum Cascade Lasers

A terahertz quantum cascade laser device is provided comprising a substrate having a top substrate surface, a bottom substrate surface, and an exit facet extending between the top substrate surface an...
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Dan Botez, Christopher Sigler, Thomas Earles, Jeremy Kirch | P160253US01

Technology

Diode Laser Based High Spectral Resolution Lidar

Lidar is an acronym for Light Detection And Ranging. The technology may be used to measure distance by illuminating a target with a laser beam and performing analysis on the reflected laser beam light...
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Edwin Eloranta, Matthew Hayman, Scott Spuler, Bruce Morley | P150335US02

Technology

Multi-Wavelength Mode-Locked Laser

Many laser applications require multiple, simultaneous laser beams, each with a specific wavelength. But using multiple lasers and associated optical components increases the cost and size of the syst...
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Scott Sanders | P07171US

Technology

More Efficient Semiconductor Lasers

Quantum cascade lasers (QCLs) are semiconductor lasers that provide light in the mid- and far-infrared wavelength ranges. They are designed so that the generated light is transverse-magnetic (TM) pola...
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Luke Mawst, Dan Botez, Thomas Earles, Jeremy Kirch, Christopher Sigler | P140047US01

Technology

High Efficiency Intersubband Semiconductor Laser

Intersubband semiconductor lasers represent a new type of laser that emits photons when electrons within a quantum-well structure release their energy during transit from high- to low-energy states. A...
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Dan Botez, Dapeng Xu, Luke Mawst | P05375US

Technology

Intersubband Quantum Box Stack Lasers

Intersubband semiconductor lasers represent a new type of laser that emits photons when electrons within a quantum-well structure release their energy during transit from high- to low-energy states. O...
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Dan Botez | P06395US

Technology

Modeless Wavelength-Agile Laser

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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Scott Sanders | P05034US

WARF