LASER

LASER:

LASER stands for Light Amplification by Stimulated Emission of Radiation.

Types of LASER.

S.No.

Name of LASER

Wavelength

Classification on the basis of

State of LASER medium Nature of Output Spectral region
1. Nitrogen laser 337 nm Gas pulsed Ultraviolet

2.

Dye laser 400-900 nm Liquid pulsed/continuous Visible/Infrared
3. He-Ne laser 632.8 nm Gas pulsed Visible
4. Ruby laser 694.3 nm Solid Continuous wave Visible
5. Carbon dioxide laser 10.6 µm Gas Continuous wave Infrared

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