The Michigan Engineer News Center

AERO alum Chang-Hsien Tai honored

Aeospace engineering alum, Chang-Hsien Tai, was recently elected as academic vice president of the National Pingtung University of Science and Technology (NPUST) in the southern part of Taiwan, where he previously served as the dean of engineering.| Short Read

Aerospace engineering alum, Chang-Hsien Tai, was recently elected as academic vice president of the National Pingtung University of Science and Technology (NPUST) in the southern part of Taiwan, where he previously served as the dean of engineering. NPUST is by origin an agricultural school, but is growing into its engineering mission. Tai is has 100+ patents in the areas of energy generation, storage and transport, and has an original and compelling vision on how to solve the problem of the world’s energy demands.

Tai received his PhD in aerospace engineering in 1990. Professor Emeritus Bram van Leer was Tai’s academic advisor while enrolled in UM’s aerospace engineering graduate program, ranked #3 in the nation.

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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