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Ytterbium  doped Yttrium Aluminum Garnet  ( Yd:YAG )

Basic Properties

Chemical Formula

Yb: Y3A15O12 

Crystal Structure

Cubic 

Lattice constants

12.01 Å 

4Melting Point

1970 °C 

Density

4.56 g/cm² 

Mohs Hardness

8.5 

Dopant

5-30 % Yb 

Thermal Expansion Coefficient.

7.8 x 10-6 /K, (111), 0 –  250 °C 

Thermal Conductivity (20°C)

14 W.s/m/k 

Loss Coefficient.

0.003 cm-1 

Index of Refraction

1.82 

Dn / dT

9 x 10 - 5 / °C 

Lasing Wavelength

1030 nm, 1050 nm 

Fluorescence lifetime

1.2 ms 

Emission cross section.

2.2 x 10-20 cm² 

Pump Wavelength

0.9 – 1.0 mm 

Absorption band about pump  wavelength

18 nm 

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