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Helium Lines
Helium Lines
2.50 - 3.00 Microns
| Infrared Helium Lines |
| Atomic Line | Transition | Wavelength (um) |
| HEII | 17-9 | 02.5641 |
| HEI | 6P-4D,1Po-1D | 02.6120 |
| HEI | 6F-4D,3Fo-3D | 02.6192 |
| HEI | 6F-4D,1Fo-1D | 02.6205 |
| HEII | 12-8 | 02.6248 |
| HEI | 6D-4F,1Fo-1D | 02.6255 |
| HEI | 6D-4F,3d-3Fo | 02.6262 |
| HEI | 6D-4P,1D-1Po | 02.6538 |
| HEI | 6P-4D,3D-3Po | 02.6678 |
| HEI | 6S-4P,3S-3Po | 02.6889 |
| HEII | 25-10 | 02.7107 |
| HEII | 11LIMIT | 02.7562 |
| HEII | 24-10 | 02.7564 |
| HEI | 6S-4P,1S-1Po | 02.7600 |
| HEII | 23-10 | 02.8086 |
| HEII | 9-7 | 02.8273 |
| HEI | 5P-4S,3Po-3S | 02.8550 |
| HEII | 22-10 | 02.8696 |
| HEII | 15-9 | 02.8829 |
| HEII | 21-10 | 02.9460 |
| HEII | 20-10 | 03.0372 |
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