1.6: Laser Materials
- Page ID
- 48182
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| Laser Material | Absorption Wavelength | Average Emission \(\lambda\) | Band Width | Pulse Width |
|---|---|---|---|---|
| Nd: YAG | 808 nm | 1064 nm | 0.45 nm | ~ 6 ps |
| Nd: YLF | 797 nm | 1047 nm | 1.3 nm | ~ 3 ps |
| Nd: LSB | 808 nm | 1062 nm | 4 nm | ~ 1.6 ps |
| Nd: YVO\(_4\) | 808 nm | 1064 nm | 2 nm | ~ 4.6 ps |
| Nd: fiber | 804 nm | 1053 nm | 22-28 nm | ~ 33 fs |
| Nd: glass | 804 nm | 1053 nm | 22-28 nm | ~ 60 fs |
| Yb: YAG | 940, 968 nm | 1030 nm | 6 nm | ~ 300 fs |
| Yb: glass | 975 nm | 1030 nm | 30 nm | ~ 90 fs |
| Ti: \(\ce{Al2O3}\) | 480-540 nm | 796 nm | 200 nm | ~ 5 fs |
| \(\ce{Cr^{4+}: Mg2SiO4}\) | 900-1100 nm | 1260 nm | 200 nm | ~ 14 fs |
| \(\ce{Cr^{4+}}\): YAG | 900-1100 nm | 1430 nm | 180 nm | ~ 19 fs |
Transition metals: (\(\ce{Cr^{3+}, Ti^{3+}, Ni^{2+}, CO^{2+}}\), etc.) outer \(3d\)-electrons) \(\to\) broadband
Rare earth: (\(\ce{Nd^{3+}, Tm^{3+}, Ho^{3+}, Er^{3+}}\), etc.) (shielded \(4f\)-electrons) \(\to\) narrow band.