Gas laser
From Wikipedia, the free encyclopedia
A gas laser is a laser in which an electric current is discharged through a gas to produce light. The first gas laser, the Helium-neon, was invented by an Iranian physicist Ali Javan in 1960. He later received the Albert Einstein Award for his achievements.
[edit] Advantages
- High volume of active material
- Active material is relatively inexpensive
- Almost impossible to damage the active material
- Heat can be removed quickly from the cavity
[edit] Types of gas laser
- Helium-neon laser
- Xenon laser
- Nitrogen laser
- Carbon dioxide laser
- Ion laser
