Yb: CaF2 レーザー結晶
仕様
Parameter
| Concentration Tolerance (atm%) | 0.5 mol % ~ 30 mol % |
| Orientation | [111] or [100] < ±0.5° |
| Orientation Tolerance | < 0.5° |
| Parallelism | 10〞 |
| Perpendicularity | 15ˊ |
| Surface Quality | 10-5(MIL-O-13830A) |
| Wavefront Distortion | <λ/8 @632 nm |
| Surface Flatness | <λ/8 @632 nm |
| Clear Aperture | >90% |
| Chamfer | <0.1×45° |
| Thickness/Diameter Tolerance | ±0.05 mm |
| Maximum Dimensions | 2*2-15*15 mm×20mm |
| Thermal Shock Resistance Parameter | 800 W/m |
| Coatings | AR≤ 0.2% @1030nm |
| Crystal Structure | cubic |
| Lattice Constants | 5.462 Å |
| Density | 3.18 g/cm3 |
| Melting Point | 1418°C |
| Thermal Conductivity /(W·m-1·K-1@25°C) | 9.71 |
| Specific Heat/ (J·g-1·K-1) | 0.8876 |
| Thermal Optical Coefficient(dn/dT) | −11.3 |
| Thermal Expansion /（10-6·K-1@25°C ） | 19 |
| Hardness (Mohs) | 4 |
| Young`s Modulus /GPa | 146 |
| Tensile Strength/Gpa | 2 |
| Laser Transition | 2F5/2→2F7/2 |
| Laser Wavelength | 1033/1050 |
| Optical Density | 0.1-0.8 |
| Absorption Coefficient | 1.0 cm-1 ~ 7 cm-1 |
| Pump Wavelength | 980 nm |
| Emission State Absorption Cross Section | 2.2×10-20 cm2 |
| Ground State Absorption Cross Section | 0.8×10-20 cm2 |
| Fluorescence Lifetime | 2.4 ms |
| Emission Band Width | 70 nm |
| Refractive Index @1.064μm | 1.2996 |
| Thermal Optical Coefficient (10−6 K−1) | -3.7 |
| Transmission | 10% to 90% |
| Damage Threshold | > 500 MW/cm2 |
◀︎表は横にスクロールして見ることができます▶︎
