Femtometer-amplitude imaging of coherent super high frequency vibrations in micromechanical resonators
oleh: Lei Shao, Vikrant J. Gokhale, Bo Peng, Penghui Song, Jingjie Cheng, Justin Kuo, Amit Lal, Wen-Ming Zhang, Jason J. Gorman
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2022-02-01 |
Deskripsi
Methods for imaging vibrations in mechanical resonators have been limited to picometer amplitudes and frequencies above 2 GHz. Here, the authors use a stroboscopic optical sampling approach, with simultaneous high bandwidth and low noise-floor, and measure 70 fm displacements out to 12 GHz.