Yb：YAG
Yb:YAG is a laser crystal material suitable for diode pumping.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Yb Ion Concentration | 0.5 at%~25 at% |
| Size range - diameter | 1~50 mm |
| Size Range - Length | 5~150 mm |
| Dimensional tolerance - diameter (Φ) | +0/-0.04 mm |
| Dimensional tolerance - length (L) | +0.5/-0 mm |
| Perpendicularity | ≤5 ′ |
| Parallelism | ≤10 ″ |
| Clear Aperture Dimension | ≥95 % |
| Surface Finish [Standard=MIL-PRF-13830B] | 10/5(MIL-PRF-13830B) |
| Cylindrical machining | Fine grinding, polishing, threading |
| End face flatness [632.8nm] | ≤λ/10@632.8 nm |
| Wavefront distortion [632.8nm] | ≤0.125λ per inch@632.8 nm |
| Extinction Ratio | ≥28 dB |
| Coating [1030nm] | Anti-reflection coating: R<0.15 %@1030 nm |
| Damage Threshold [1064nm; Pulse Width=10ns; Repetition Rate=10Hz; 1064nm,10ns,10Hz] | ≥1 GW/cm² @1064 nm,10 ns,10 Hz |
| Optical and Spectral Properties - Laser Transition | ² F₅/₂ → ²F₇/₂ |
| Optical and Spectral Properties - Laser Wavelength | 1030 nm |
| Optical and Spectral Properties-Photon Energy [1030nm] | 1.93×10⁻¹⁹ J@1030 nm |
| Optical and Spectral Properties - Emission Linewidth | 9 nm |
| Optical and Spectral Properties - Fluorescence Lifetime | 1.2 ms |
| Optical and Spectral Properties - Diode Pumped Absorption Wavelength | 940 nm,970 nm |
| Optical and Spectral Properties - Pump Absorption Bandwidth | 8 nm |
| Physical and Chemical Properties - Crystal Structure | Cubic crystal system |
| Physical and Chemical Properties - Melting Point | 1970 ℃ |
| Physical and Chemical Properties - Density | 4.56±0.04 g/cm³ |
| Physical and Chemical Properties - Specific Heat [0~20℃] | 0.59 J/g.cm³@0~20 ℃ |
| Physical and Chemical Properties - Elastic Modulus | 310 GPa |
| Physical and chemical properties - Young's modulus | 3.17×10⁴ Kg/mm² |
| Physical and Chemical Properties - Mohs Hardness | 8.5 |
| Physical and Chemical Properties - Poisson's Ratio | 0.3 |
| Physical and Chemical Properties-Tensile Strength | 0.13~0.26 GPa |
| Physical and Chemical Properties - Thermal Expansion Coefficient (<100>) [0~250℃] | 8.2×10⁻⁶ /K@0~250 ℃ |
| Physical and Chemical Properties - Thermal Expansion Coefficient (<110>) [0~250℃] | 7.7×10⁻⁶ /K@0~250 ℃ |
| Physical and Chemical Properties - Thermal Expansion Coefficient (<111>) [0~250℃] | 7.8×10⁻⁶ /K@0~250 ℃ |
| Physical and Chemical Properties - Thermal Conductivity [20℃] | 14 W/m/K@20 ℃ |
| Physical and Chemical Properties - Thermal Conductivity [100℃] | 10.5 W/m/K@100 ℃ |
| Physical and Chemical Properties-Thermo-optic Coefficient | 7.3×10⁻⁶ /K |
| Physical and Chemical Properties - Refractive Index [1030nm] | 1.82@1030 nm |
Applications
Key Features
Datasheet
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