What is Gas Laser?

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 co-invented by Iranian physicist Ali Javan and American physicist William R. Bennett, Jr. in 1960. Nowadays, gas laser is widely used.

Advantages of Gas Laser

Gas laser is high volume of active material .
Gas laser is active materia which l is relatively inexpensive .
Gas laser is almost impossible to damage the active material .
Gas laser heat can be removed quickly from the cavity .

Gas Laser Applications

Gas laser is mainly used in making holograms.
In laser printing gas laser is used as a source for writing on the photosensitive material.
Gas lasers are used in reading the Bar Code which is imprinted on the product.
Gas laser is also widely used in medical field.

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