De que é feito laser
A source of coherent light (Maiman; Basov, Prokhorov, Townes).
- Mirror — tem como parte. A resonator made of mirrors.
- Stimulated emission — utiliza. The working principle of the laser.
- Semiconductor — é feito de. Maiman’s first laser was a ruby crystal; today it is more often a semiconductor.
- Glass — é feito de. The optics are glass.