Journal article

Free-Electron Lasers and Semiconductor Physics - 1st Results on Nonlinear Optics, Interfaces, and Desorption

During the past year, the broad tunability (1-10 mum) and megawatt peak intensity made available by the Vanderbilt Free-Electron Laser opened new and productive avenues to semiconductor research. This paper overviews three of these experimental areas: nonlinear optical absorption in germanium, photoabsorption at heterojunction interfaces with emphasis on highly accurate measurements of band-edge discontinuities, and finally resonant photodesorption/ablation.


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