Proof That Blasters Make Sound

ars technica:

To shake things up, the researchers sent sound waves into the laser. The sound waves repetitively strain the quantum dots, which temporarily modifies their energy levels. As a result, more of the quantum dots spend some time with energy levels that correspond to the wavelength of light that the laser is able to emit.

The result was a laser power that was 200 times higher than the laser without the sound waves, which is a pretty spectacular increase in efficiency.

Eureka!

All is again right with the Galaxy.

Hat Tip: Ace.

Posted by: Howie at 10:37 PM

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