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  1. No Access

    Article

    Dynamic tangential contact of rough surfaces in stick-slip microdrives: Modeling and validation using the method of dimensionality Reduction

    The dynamic tangential contact of rough surfaces of frictional elements of a stick-slip microdrive is theoretically investigated. By applying the method of dimensionality reduction, the contact areas of the fr...

    H. X. Nguyen, E. Teidelt, V. L. Popov, S. Fatikow in Physical Mesomechanics (2014)

  2. No Access

    Article

    Pump-pulse induced chirp production in semiconductors

    Nonlinear absorption and refractive index changes in wide-gap semiconductors (CdS, CdSSe, and GaSe) after ps light irradiation are determined with an excite-and-probebeam spectrometer. Based on a simple model ...

    M. Kaschke, B. Wilhelmi, V. D. Egorov, H. X. Nguyen, R. Zimmermann in Applied Physics B (1988)