Laser
device · 1960 · Digital age
A source of coherent light (Maiman; Basov, Prokhorov, Townes).
What it is made of
- Mirror — has part. A resonator made of mirrors.
Principles and materials it uses
- Stimulated emission — uses. The working principle of the laser.
- Semiconductor — is made of. Maiman’s first laser was a ruby crystal; today it is more often a semiconductor.
- Glass — is made of. The optics are glass.
Where it is used
- DNA sequencing — is used in. Fluorescent sequencing.
- Laser surgery — is used in. A laser.
- LIGO — is used in. A laser.
- Holography — is used in. Coherent light.
- Laser cutting — is used in. A laser.
- LIGO — is part of. A laser.
History: what it evolved from and what it influenced
- Maser — evolved from. A laser is an optical maser.
What it is a kind of
- Laser diode — includes. A semiconductor laser.