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Yb:YAG crystal

Yb:YAG crystal

 

Major capability parameter

Crystal structure

cubic 

Crystal lattice parameters

12.01 Å

Melt point

1970°C

Hardness (mohs)

8.5

density

4.56±0.04 g/cm3

Specific heat

0.59 J/g.cm3

Modulus of elasticty

310 GPa

Young modulus

3.17X104Kg/mm2

Tensile strength

0.13~0.26 GPa

Thermal expansion 

<100> Direction: 8.2x10-6 /°C (0~250°C )

 

<110> Direction: 7.7x10-6/°C (0~250°C )

 

<111> Direction: 7.8x10-6/°C (0~250°C )

 

10.5 W/m/K (@100°C)

Thermo-optical coefficient

7.3×10-6/°C

 

Ytterbium doped YAG (Yb: YAG) crystal is a a promising laser material. The crystal is more suitable for diode-pumped laser system. Compared with neodymium-doped YAG crystal, it has a much broader absorption bandwidth thereby reducing the thermal control requirements; its high laser energy level has a longer lifetime.

 

 
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