A Bright Spot

In the popular imagination, the laser is an apparition from the world of science fiction: a large piece of complex equipment, capped by a tube which shoots out a metal-vaporizing beam of bright red light. In reality, however, the laser that’s playing the liveliest role in an increasingly diverse market is a tiny chip of semiconductor material, the diode laser.

Access to the full text of this article is restricted. In order to view this article please log in.

Add a Comment