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 |