The Michigan Engineer News Center

Yasin Abul-Huda receives 2014 NDSEG Fellowship Award

Ph.D. candidate Yasin Abul-Huda received the highly-competitive 2014 NDSEG Fellowship Award.| Short Read

The National Defense Science and Engineering Fellowship (NDSEG) is a highly competitive fellowship, typically with a success rate less than 10%. The award is funded by the Department of Defense, and Yasin Abul-Huda was selected by the Air Force Research Laboratory/ Air Force Office of Scientific Research (AFRL/AFSOR).

The NDSEG Fellowship award duration is three years and begins September 2014. The award will enable Yasin’s work which is focused on studying the effects of nonequilibrium and excited state chemistry on supersonic combustion processes. The work will leverage the University of Michigan’s Hypersonic Expansion Tube Facility that is now operational in the Gas Dynamics Imaging (GDI) Laboratory. The experiments of this study will rely heavily on non-intrusive laser diagnostic methods such as Laser Induced Fluorescence and Laser Absorption Spectroscopy.

Yasin Abul-Huda is a Ph.D. Candidate. His advisor is Mirko Gamba, assistant professor of aerospace engineering.

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Researchers
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