Crystal
Physical Properties
| Chemical Formula | Cr4+:Y3A15O12 |
| Crystal Structure | Cubic Garnet |
| Recovery Time | 8.5us |
| Hardness Mohs | 8.5 |
| Density | 4.56g/cm³ |
| Orientation | [100]+/-10° |
| Thermal Conductivity | 12.13W/m/k |
| Refractive Index | 1.82@1064nm |
Optical Properties
| Base State Absorption Cross Section | δs1=4.3*10-18cm² |
| Emission State Absorption Cross Section | δs1=4.3*10-18cm² |
| Fluorescence Lifetime | 3.4us |
Capabilities
| Cr4+Dopant Concentration | 0.5mol%-3mol% |
| Aperture | 2*2-14*14mm |
| Initial transmission | 10%-99% |
Typical Specification and Tolerance
| Dimension Tolerance | (W+/-0.1mm)*(H+/-0.1mm)*(L+0.2mm/-0.1mm) |
| Flatness | <λ/8@633nm |
| Scratch/Dig | Better than 10/5 Scratch /Dig per MIL-O-13830A |
| Parallelism | <20 arc seconds |
| Perpendicularity | <5 arc minutes |
| Wavefront Distortion | Less than λ/8@633nm |
| Clear Aperture | >90% Central Area |
| Coating | Anti-reflective |
