 | Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 5: Modeling & Simulation of Microsystems |
Anomalous Thermomechanical Softening-Hardening Transitions in Micro-oscillators | |
| Authors: | T. Sahai, R. Bhiladvala, A. Zehnder |
| Affilation: | Cornell University, US |
| Pages: | 525 - 528 |
| Keywords: | nonlinear dynamics, resonance, softening, hardening, optical detection |
| Abstract: | This work documents and explains a counter-intuitive nonlinear phenomenon, where the laser-detected resonant motion of forced, micromechanical oscillators can be tuned from softening to hardening by increasing the laser power incident on a prestressed silicon nitride oscillator. This tuning is explained by a thermo-mechanical model in which linear and nonlinear stiffness contributions have opposing responses to temperature change. |
| ISBN: | 978-1-4200-8505-1 |
| Pages: | 940 |
| Hardcopy: | $159.95 |
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