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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 Nanotechnology Coordinated Infrastructure, which is supported by NSF grants ECCS 1542174 and ECCS 1609567.]
Learn more in the Georgia Tech news story Laser pulse creates frequency doubling in amorphous dielectric material. (Date image taken: Dec. 20, 2019; date originally posted to NSF Multimedia Gallery: April 27, 2020)
Credit: Rob Felt, Georgia Tech
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