Today, scientists make lasers out of many different materials.

Making reliable lasers is easier said than done, however.

"He was able to collect royalties from other people making lasers, including me."

Spectra-Physics, which makes lasers and laser systems, had sales of $324 million in 1989.

Ytterbium is used in some steels and is also used to make lasers.

This physical property is used to make lasers, which can emit a coherent beam of light energy in a narrow frequency band.

Coherent, which has made lasers for medical and industrial use for 26 years, has a multiple of just 24.

Can't they make lasers for that kind of thing?

They make lasers in that size, but as war weapons, used from orbit.

You see, the elements in the list are used to make semiconductor-based lasers.