Customization: | Available |
---|---|
Warranty: | 1 Year |
Customized: | Customized |
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Crystal structure
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Zircon tetragon, space group D4h-I4/amd
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Lattice constant
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a=b=7.12, c=6.29
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Density
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4.22g/ cm3
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Melting point
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1825
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Thermal conductivity / (W m -1 K -1 @ 25°C)
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5.2
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Thermo-optical coefficient (dn/dT)
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dn o /dT=8.5×10 -6 /K; dn e /dT=2.9×10 -6 /K
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Coefficient of thermal expansion/(10 -6 K -1 @ 25°C)
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a = 4.43, c = 11.4
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Hardness (Mohs)
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4~5
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Doping concentration
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0.07%~3%, ±0.05%(at%<1%),±0.1%(at%≥1%)
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Orientation
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A-cut/C-cut ±0.5 °
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Dimensional tolerance
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±0.1mm
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Flatness
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λ/10 @632.8nm
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Wavefront distortion
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λ/10 @632.8nm
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Surface finish
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10/5 MIL-O-13830B
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Parallelism
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10″
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Perpendicularity
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10′
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Chamfer
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<0.1mm @45deg.
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Chipping
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<0.1mm
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Clear aperture
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>95%
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Coating
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AR/HR/PR is customized according to customer requirements
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Damage threshold
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7.5J/cm 2 @1064nm, TEM00, 10ns, 10Hz
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