Red laser creates nonlinear effects with tiny triangles of gold

A red laser creates nonlinear effects with tiny triangles of gold. The blue beam shows the frequency-doubled light and the green beam controls the hot-electron migration. [Research performed in part at Georgia Tech's Institute for Electronics and Nanotechnology, a member of the National ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video