| Parameter | Er:Yb:YAl3(BO3)4 | Er3+/Yb3+co-doped phosphato glass |
| Pumping wavelength | 976 nm | 976 nm |
| Peak absorption cross-section | 3×10-20 cm2 (σ polarization) | 1×10-20 cm2 |
| FWHM of absorption band | 19 nm | 10 nm |
| Peak fluorescence wavelength | 1530 nm | 1533 nm |
| Central wavelength of luminescence | 470 nm | 470 nm |
| Peak emission cross-section | 2×10-20 cm2 (σ polarization) | 0.8×10-20 cm2 |
| Fluorescence lifetime | 0.3 ms | 8 ms |
| Refraction index | 1.75 (no) | 1.54 |
| Conductivity | 4.7 W m-1 K-1 | 0.8 W m-1 K-1 |
| Maximum output power | ＞1 W | 350 mW |
| Maximum slope efficiency | ＞ 30% | ＞30 % |
| Lasing wavelength | 1520-1600 nm | 1528-1565 nm |
| Dopant concentration： | 0.1-3at.%Er3+，5-30at.%Yb3+ |
| Cross-section： | (1×1)-(15×15)mm2 |
| Thickness： | 0.5-10mm |
| Dimension Tolerance： | ±0.1mm |
| Transmitting wavefront distortion： | ≤λ /8@633nm |
| Surface quality： | 10/5 （MIL-PRF-13830B） |
| Flatness： | ≤λ /6@633nm |
| Parallelism： | better than 10 arc sec |
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