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Ytterbium doped yttrium aluminum garnet

Material
Yb:YAG

 

Ytterbium doped Yttrium Aluminum Garnet (Yb:Y3Al5O12 or Yb:YAG) is one of the most promising laser-active materials and more suitable for diode-pumping than the traditional Nd-doped crystals. It can generate 1.03 µm laser output pumped at 940 nm. Yb:YAG main advantages are: large absorption bandwidth, high output power and excellent emission. Yb:YAG laser material is widely used for industrial lasers, such as metal cutting and welding. Also, this crystal is applicable to electronic, optic, laser technology.

Properties
Optical and spectral properties
Lasing wavelength in nm
1030
Refractive index @1000 nm
1,82
Absorption loss in cm-1 @ 1064 nm
0,003
Physical properties
Density in g/cm3
4,56
Melting point in °C
1970
Crystal structure
cubic
Thermal conductivity in W/(cm · K)
0,14
Thermal expansion in 1/K
7,8 · 10-6, <111>

Mohs hardness
8,5
Dopant concentration in %
5 ‐ 30
Orientation
<100>

<111>

Lattice constant in Å
12,01
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