Brillouin Detection of a Complete GHz Mechanical Band Gap

We measure a full mechanic gap in the GHz regime for a 2D phononic crystal over the entire Brillouin zone using the noninvasive Brillouin light scattering technique. (c) 2021 The Author(s)

Automated summary

A complete mechanical band gap in the GHz region of a 2D phononic crystal over the entire Brillouin zone was measured using the noninvasive Brillouin light scattering technique.