YAlO3 - perovskite (YAP) is a well known host for solid state laser applications. It exhibits many of the same physical properties as YAG and can be used in the same applications. Doping YAlO3 prevents coloration under flash lamp excitation and provides high laser efficiency at 1.66µm in the eye-safe spectral region.
| Host | Yttrium Aluminum Perovskite (YAP) - YAlO3 |
| Space Group | D162h - Pbnm |
| Dopant | Erbium (Er+3) |
| Er - Content | (0.8 - 1.1) at. % |
Standard Rod Specifications
| Dimensional Tolerances | |
| - Diameter | +0.000/-0.002 inch |
| - Length | +0.040/-0.000 inch |
| Chamfer | |
| - Depth | 0.005+ 0.003 inch |
| - Angle | 45 + 5º |
| Barrel Finish - Ground | 55 + 5 m inch |
| End Configuration | |
| - Parallelism | <10 arc-seconds |
| - Perpendicularity | < 5 minutes of arc |
| - Flatness | 1/10 wave |
| - Scratch/Dig (per MIL-1-13830A) | 10/5 |
| - Wave front distortion | <0.25 wave per inch |
| - End Coatings (AR at 1660nm) | <0.25% |
Structural and Thermal Properties
| Density | 5.35 g/cm-3 |
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| Lattice constant | a=5.176 A |
b=5.307 A |
c=7.355 A |
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