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. He later received the Albert Einstein Award for his achievements.

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

Types of gas laser

• Helium-neon laser
• Argon laser
• Krypton laser
• Xenon laser
• Nitrogen laser
• Carbon dioxide laser
• Ion laser

See also

• List of laser types

Lasers

Gaslaser | لیزر گازی