![Comet-like green laser thumbnail](https://opn-web-afd-d3bfbkd5bcc5asbs.z02.azurefd.net/opn/media/images/afterimages/2023/23-09-01.jpg?t=638430689675926967)
Comet-like green laser
A comet-like green laser beam passes through a Ti:Sapphire crystal, leaving beautiful diffraction spikes in its path.
—Vinícius P. Pinto, University of São Paulo, São Paulo, Brazil
A comet-like green laser beam passes through a Ti:Sapphire crystal, leaving beautiful diffraction spikes in its path.
—Vinícius P. Pinto, University of São Paulo, São Paulo, Brazil