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Rutile(TiO2)moq :
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Optical grade rutile titanium dioxide (TiO2) single crystal substrate. Rutile large birefringence, large refractive index, Which is A good materials for spectral prism and polarizing device (such as optical isolators and the beam splitter). Compared with YVO4, The TiO2 crystals has a better physical and chemical stability.
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The main performance parameters |
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Product Name
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Rutile(TiO2) single crystal substrate |
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Crystal structure
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Tetragonal system
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Lattice constant
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a=4.5936Å c=2.9582 Å
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Growth method
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Flame method, Floating zone method
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Density
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4.26（g/cm3）
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Melting point
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1870℃
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Heat capacity
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0.17（25℃）
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Transmission
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0.5～4.5um
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Refractive index
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no=2.47 ne=2.73 at λ=1.3um
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Thermo optic coefficient
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dη/dT：a：-0.72×106/k c：-0.42×10-6/k
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Linear expansion coefficient
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a：7.14×106 c：9.19×106
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Hardness
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7（mohs）
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Maximum Crystal rod
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Φ25mm×90mm
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Tolerance and Optical quality
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Size tolerance: +0.1 mm,
Thickness tolerance: ±0.05mm
Parallelism: <30", Flatness: <λ/4, Verticality: <30",
Surface finish: 40-20, 20-10, 10-5 or others (scratch-dig)
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Packing
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class-100 clean bag, class-1000 clean room
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| Standard Specification | |||||
| Product Name | Orientation | Standard Size | Thickness | Polishing | |
| Rutile(TiO2) substrate |
<001> ±0.5° <100> ±0.5° <110> ±0.5° <111> ±0.5° Or other off-angle |
10x10mm 10x5mm 5x5mm φ12.7 x 0.5mm Or others |
0.1mm 0.2mm 0.5mm 1.0mm Or others |
Fine ground Single side Epi-polished Double side Epi-polished Double side optical-polished Roughness: Ra<5A(0.5nm) |
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