Yb:GGG

Yb:GGG

CRYLINK’s Yb: GGG crystal product, also known as Ytterbium-doped Gadolinium gallium garnet (Yb: Gd3Ga5O12). It is a kind of laser crystal product with excellent comprehensive performance. It is widely used in high-power, semiconductor, and LD pump fields. The product has the characteristics of high doping concentration, wide absorption band, and low quantum defect. It can be used in ultra-short pulse lasers, high-power and high-efficiency solid lasers, ultra-short pulse lasers, and semiconductor laser products.

  • Low quantum defects
  • Wide absorption band
  • High doping concentration
  • No excitation state absorption

Product Parameters

Chemical formulaYb:Gd3Ga5O12
Crystal structureCubic, Ia3d
Lattice parameters12.38 Å
Zero-phonon line (ZPL)971nm
σabs (ZPL)6.6×10-25 cm2
Broadband absorption930 nm – 950 nm
Peak emission wavelength(EW)1021nm
σem (EW)1.9×10-24 cm2
Δλemission (FWHM at inversion ~10%)8nm
Quantum defects0.8
Thermal conductivity, κ (5 at.%)7.8 W/m/K
κ (15 at.%)7.7 W/m/K
Coefficient of thermal expansion8×10-6·K-1
dn/dT21.2×10sup>-6K-1
αT8.5×10sup>-6K-1
Mohs hardness7.5
Melting point1750℃

Spectrum

YbGGG  Laser crystal CrylinkYbGGG  Laser crystal Crylink

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