MSE PRO Yb YAG Ytterbium (Yb) doped Yttrium Aluminium Garnet Laser Crystal
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Ytterbium Yb:YAG is a very promising laser crystal and is more suitable for diode-pumping than the commonly used Nd-doped YAG crystals. Compared with the traditional Nd:YAG crystal, Yb:YAG crystal has a much wider absorption bandwidth to reduce thermal management of diode lasers. Yb:YAG emits typically at either 1030 nm (strongest line) or 1050 nm (ytterbium-doped gain media). It is often used in powerful and efficient thin-disk lasers. Yb:YAG yttrium aluminium garnet crystal is expected to replace Nd:YAG crystal for high power diode-pumped lasers and other potential applications.
Available Yb concentrations are 1.0, 2.0, 3.0, 5.0, 10.0, and 15.0 (atm%)
Specifications:
- Crystal structure: Cubic
- Lattice parameters: 12.01
- Melt point: 1970 øC
- Hardness (mohs): 8.5
- Density: 4.56 ñ 0.04 g/cm3
- Specific heat: 0.59 J/g.cm3
- Young modulus: 3.17x104 Kg/mm2
- Tensile strength: 0.13~0.26 GPa
Thermal expansion
- <100> Direction: 8.2x10-6 / øC (0~250 øC )
- <110> Direction: 7.7x10-6 / øC (0~250 øC )
- <111> Direction: 7.8x10-6 / øC (0~250 øC )
- 10.5 W/m/K (@100 øC)
Thermo-optical coefficient: 7.3x10-6 / øC
Publications related to YAG laser crystals
| [1] | J. E. Geusic et al., Laser oscillations in Nd-doped yttrium aluminum, yttrium gallium and gadolinium garnets , Appl. Phys. Lett. 4 (10), 182 (1964) |
| [2] | D. Y. Shen et al., Highly efficient in-band pumped Er:YAG laser with 60 W of output at 1645 nm , Opt. Lett. 31 (6), 754 (2006) |
| [3] | J. W. Kim et al., F iber-laser-pumped Er:YAG lasers, IEEE Sel. Top. Quantum Electron. 15 (2), 361 (2009) |
| [4] | Li Chaoyang et al., 106.5 W high beam quality diode-side-pumped Nd:YAG laser at 1123 nm, Opt. Express 18 (8), 7923 (2010) |
| [5] | X. len et al., 34 W continuous wave Nd:YAG single crystal fiber laser emitting at 946nm, Appl. Phys. B 104 (1), 1 (2011) |
| [6] | H. C. Lee et al., Diode-pumped continuous-wave eye-safe Nd:YAG laser at 1415nm, Opt. Lett. 37 (7), 1160 (2012) |