The Michigan Engineer News Center

Yuriy Goykhman receives MIT Lincoln Lab Fellowship

The MIT Lincoln Laboratory is a federal research and development center chartered to apply advanced technology to national security. | Short Read
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EE Graduate student Yuriy Goykhman is honored to be an MIT Lincoln Laboratory Fellow for 2008-09. Goykhman’s research interests include development of new radar remote sensing instruments, techniques, and processing algorithms. He studies with Prof. Mahta Moghaddam.

Describing his research, Goykhman explains, “Since the radar measures quantities which are proportional to scattering cross sections, accurate and efficient forward scattering models are needed to relate target parameters to the radar measurements. An inverse model must then used to retrieve the target unknowns. One of my goals is to develop computationally efficient forward scattering models with large regions of validity which could be successfully and efficiently inverted. I am also working on a low frequency radar concept for remote measurement of depth of fresh bodies of water as well as for subsurface soil moisture estimation.”

MIT Lincoln Laboratory is a federally funded research and development center chartered to apply advanced technology to problems of national security. The Laboratory works with industry to transition new concepts and technology for system development and deployment.

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The electrons absorb laser light and set up “momentum combs” (the hills) spanning the energy valleys within the material (the red line). When the electrons have an energy allowed by the quantum mechanical structure of the material—and also touch the edge of the valley—they emit light. This is why some teeth of the combs are bright and some are dark. By measuring the emitted light and precisely locating its source, the research mapped out the energy valleys in a 2D crystal of tungsten diselenide. Credit: Markus Borsch, Quantum Science Theory Lab, University of Michigan.

Mapping quantum structures with light to unlock their capabilities

Rather than installing new “2D” semiconductors in devices to see what they can do, this new method puts them through their paces with lasers and light detectors. | Medium Read