Table 1 . Laser classification according to output power, active mediator and mode of oscillating.
| Standard | Type | Example |
| Output Energy | Low-output, soft, or therapeutic | Low-output diodes ,Helium-Neon |
| High-output, hard, or surgical | High-output, hard, or surgical Diodes, CO2, Nd:YAG, Er:YAG, Er,Cr:YSGG | |
| Mediator | Solid | Nd:YAG, Er:YAG, Er,Cr:YSGG, KTP |
| Gas | Gas HeNe, Argon, CO2 | |
| Excimer | Excimer F2, ArF, KrCl, XeCl | |
| Diode | Diode GaAlAs, InGaAs | |
| Oscillating Model | Continuous | Depending on the utilization method |
| Pulse | Depending on the utilization method |