Laser Pulse Creates Frequency Doubling in Amorphous Dielectric Material

Georgia Tech researchers Kyu-Tae Lee and Mohammad Taghinejad demonstrate frequency doubling on a slab of titanium dioxide using a red laser to create nonlinear effects with tiny triangles of gold. The blue beam shows the frequency-doubled light, and the green beam controls the hot-electron migration (credit: Rob Felt, Georgia Tech).

Posted: May 20, 2020 | Source: Georgia Institute of Technology, 6 January 2020

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