The plasmons form at the core–shell boundary, with the dye providing optical gain. When optically pumped with 488-nm laser pulses ... these reports of green and blue nanolasers are exciting ...

Here’s a fantastic way to add a new dynamic to your laser cut and engraved parts ... you can then spread a color dye powder over top the acrylic… and then run the engraving again, this ...

Household bleach reacts with a solution of green food coloring to first oxidize the yellow component of the dye, leaving only the blue coloring. Eventually, the blue dye is also oxidized, and the ...