CGS4 Arcs
For a given wavelength, we do recommend that specific arc lamps are used. These will give the best coverage of unsaturated spectral lines. They are:
| Wavelength | Order | Recommended Lamp | Alternative Lamp |
|---|---|---|---|
| 1.15 | 2 | Krypton | Xenon |
| 1.30 | 1 | Krypton | Xenon |
| 1.70 | 1 | Xenon | Argon |
| 2.20 | 1 | Argon | Xenon |
| 3.10 | 1 | Xenon (2nd order) | Argon (2nd order) |
| 3.80 | 1 | Argon (2nd order) | Xenon (2nd order) |