| Wavelength | Frequency | Energy | |
|---|---|---|---|
| Radio | > 10cm | < 3GHz | < 2 x 10-24J |
| Microwave | 1mm - 10cm | 3GHz - 300GHz | 2 x 10-24J - 2 x 10-22J |
| Infrared | 700nm - 1mm | 300GHz - 400THz | 2 x 10-22J - 3 x 10-19J |
| Optical | 400nm - 700nm | 400THz - 750THz | 3 x 10-19J - 5 x 10-19J |
| UV | 10nm - 400nm | 750THz - 30PHz | 5 x 10-19J - 2 x 10-17J |
| X-ray | 0.1pm - 10nm | 30PHz - 30EHz | 2 x 10-17J - 2 x 10-14J |
| Gamma-ray | < 0.1pm | > 30EHz | > 2 x 10-14J |