Natural and artificial crystals can change the spectral colour of light – known as the nonlinear optical effect. Colour conversion is used for numerous applications, including nonlinear microscopy .
Researchers improving technology to generate high harmonics in nonlinear nanostructured metasurfaces samacharcentral.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from samacharcentral.com Daily Mail and Mail on Sunday newspapers.