Custom made Yb doped YAG Yb:YAG laser single crystal manufacturer from China

Doping concentration

Yb: 0.5～50at%

Crystal orientation

[100] or [111] , within 5° of deviation

Wavefront distortion

≤ 0.125λ/25mm

Extinction Ratio

≥28dB

Crystal rod size

Diameter : 2～20mm,  Length : 2～150mm

Can be customized according to customer requirements

Dimensional tolerance

Diameter : +0.00/-0.05mm,  length : ± 0.5mm

Cylindrical processing

400# Abrasive for fine grinding or polishing

Parallelism of end face

≤10"

Perpendicularity of end face and rod axis

≤5′

Flatness of end face

λ/10 @632.8nm

Surface Quality

10-5 (MIL-O-13830A)

Inverted

0.15±0.05mm

Anti-reflection coating reflectivity

≤ 0.25% @1030nm

Anti-laser damage threshold of the film

≥500MW/cm 2

Laser transition

2 F 5/2 → 2 F 7/2

Laser wavelength

1030 n m

Photon energy

1.93×10 -19 J@1030nm

Launch line width

9nm

Emission cross section

2.0×10 -20 cm 2

Fluorescence lifetime

1.2 ms

Diode pump absorption wavelength

940nm or  970nm

Pump absorption bandwidth

8 nm

Refractive index

1.82@1030nm

Crystal structure

Cubic system

Lattice constant

12.01 Å

Melting point

1970 ℃

Moh's hardness

8.5

density

4.56±0.04g/cm 3

Specific heat

0.59J/g.cm 3 @0-20 ℃

Elastic Modulus

310GPa

Young's modulus

3.17×10 4 Kg/mm 2

Poisson's ratio

0.3

tensile strength

0.13~0.26GPa

Coefficient of thermal expansion

[100] Direction : 8.2×10 -6 /K@ 0~250 ℃

[110] Direction : 7.7×10 -6 /K@0~250 ℃

[111] Direction : 7.8×10 -6 /K@0~250 ℃

Thermal conductivity

14W/m/K@20 ℃

10.5W/m/K@100 ℃

Thermo-optical coefficient (dn/dT)

7.3×10 -6 /K

Thermal shock resistance

790W/m

Solubility

Insoluble in water, slightly soluble in common acid