77 citations · 140 across the 9 of their papers we have counts for
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cond-mat.mtrl-sci2014★ 4 cited
Sound Focusing by Acoustic Luneburg Lens
Sang-Hoon Kim
Luneburg lens is a gradient index lens that focuses the incoming wave on the opposite side of the lens without aberration. We developed a two-dimensional acoustic Luneburg lens by…
cond-mat.mtrl-sci2013
Air transparent soundproof window
Sang-Hoon Kim, Seong-Hyun Lee
A soundproof window or wall which is transparent to airflow is presented. The design is based on two wave theories of diffraction and acoustic metamaterials. It consists of a three…
cond-mat.mtrl-sci2012★ 42 cited
Artificial Seismic Shadow Zone by Acoustic Metamaterials
Sang-Hoon Kim, Mukunda P. Das
We developed a new method of earthquakeproof engineering to create an artificial seismic shadow zone using acoustic metamaterials. By designing huge empty boxes with a few side-hol…