Customization: | Available |
---|---|
Warranty: | 1 Year |
Customized: | Customized |
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Crystal structure
|
Orthorhombic system
|
Lattice constant
|
a = 0.518 nm, b = 0.532 nm c = 0.736nm
|
Melting point
|
1870°C
|
Density
|
5.35 g/ cm3
|
Moh's hardness
|
8.5
|
Specific heat capacity
|
400J/(kg K)
|
Coefficient of thermal expansion
|
a axis: 9.5 x 10 -6 /K , b axis: 4.2 x 10 -6 /K ; c axis: 10.8 x 10 -6 /K
|
Thermal conductivity
|
11W/(m·K)
|
Refractive index
|
na=1.91 , nb=1.92 , nc=1.94
|
Thermo-optic coefficient
|
dna/dT=9.7 x 10 -6 /K
dnb/dT=14.5 x 10 -6 /K |
Doping concentration
|
Nd: 0.7~ 0.9 at%@1.079 μm (continuous, pulsed laser), 0.85~0.95at%@1.34μm ( continuous laser) other doping concentrations can be
customized |
Orientation
|
[010], ±5°
|
Crystal rod size
|
Diameter: 2~10mm, length: 20~150mm , can be customized
|
Dimensional tolerance
|
Diameter: +0.00/-0.05mm, Length: ± 0.5mm
|
Cylindrical processing
|
Grinding and Polishing
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Parallelism of end faces
|
≤10"
|
Perpendicularity between end face and rod axis
|
≤5′
|
Flatness of end face
|
≤λ/10 @632.8nm
|
Surface Quality
|
10-5 (MIL-O-13830A)
|
Chamfer
|
0.15±0.05mm
|
AR Coating Reflectance
|
≤0.25%
|
Damage threshold
|
≥500MW/ cm2
|