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Rutile(TiO2) substrate

Rutile(TiO2) substrate

 

Major capability parameter
Crystal structure
Tetragonal system
Lattice constant
a=4.5936Å    c=2.9582 Å
Growth method
Flame method, Floating zone method
Density
4.26(g/cm3)
Melting point
1870℃
Heat capacity
0.17(25℃)
Transmission
0.5~4.5um
Refractive index
no=2.47 ne=2.73 at λ=1.3um
Thermo optic coefficient
dη/dT:a:-0.72×10­6/k c:-0.42×10-6/k
Linear expansion coefficient
a:7.14×10­6 c:9.19×10­6
Hardness
7(mohs)
Crystal rod 
Φ25mm×90mm
Orientation
<001>, <110>, <100>, <111>
Standard Size
5×5×10mm, 5×10×10mm, 10×10×0.5mm,
dia 20mm ×0.5mm
Polishing
Single or double side polished
Tolerance and Optical quality
Dimension tolerance: +0.1 mm,
Orientation tolerance: ±0.5 o
Parallelism: <30", Flatness: <λ/4, Verticality: <30",
Surface quality: 10/5
Packing
100 clean bag, 1000 clean room

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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