optical maser

1. A laser that produces visible radiation.

Example Sentences

Townes first called the concept an "optical maser."

From The Verge

Thus, the concept of the optical maser — later dubbed the laser — was born.

From Washington Post

They called it an “optical maser,” a term that never caught on, and through Bell Laboratories they secured the first laser patent in 1959, a year before Dr. Maiman’s first working model.

From New York Times

The latest device to fascinate the technical community is the optical maser, or, as it is now often called, the laser.

From Scientific American

It is only within the last year, with the advent of the optical maser, that it has been possible to attain precise control of the generation of light waves.

From Scientific American