The same technology might also be used to make blue semiconductor lasers, which are similar in structure but more complex.

He created the first visible semiconductor lasers in 1960 .

That was because semiconductor lasers could generate light only from the edge of the chip.

In some semiconductor lasers a combination of the two above techniques can be used.

This technique is now applied to the majority of semiconductor lasers fabricated throughout the world.

A resonator is usually part of a semiconductor laser.

The new device is a semiconductor laser that emits blue light.

Current semiconductor lasers, which read the music off compact disks, emit only red light.

Realizing this, scientists have been trying to develop blue semiconductor lasers for more than two decades, without any success.

But 3M, which doesn't make semiconductor lasers at present, has not yet said whether it will enter the business itself.