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TiO2 rutile optical grade titanium dioxide single crystal has high birefringence and refractive index, making it a good material for spectral prisms and polarization devices (such as optical isolators and beam splitters). Compared with YVO4, TiO2 crystal has better physical and chemical stability.
Product Description
TiO2 rutile optical grade titanium dioxide single crystal has high birefringence and refractive index, making it a good material for spectral prisms and polarization devices (such as optical isolators and beam splitters). Compared with YVO4, TiO2 crystal has better physical and chemical stability.
Material Properties
| Crystal structure | Tetragonal |
| Growing directions | Flame method |
| Lattice constant | a=4.5936Å c=2.9582 Å |
| Density | 4.26（g/cm3） |
| Hardness | 7（mohs） |
| Heat capacity | 0.17（25℃） |
| Transmission | 0.5～4.5um |
| Refractive index no | no=2.47 ne=2.73 at λ=1.3um |
| Dielectric constant | ~180 // <001>; ~90 ⊥<001> |
| thermo-optical coeffecient | dη/dT：a：-0.72×106/k c：-0.42×10-6/k |
| Linear expansion coefficient | a：7.14×106c：9.19×106 |
| Crystal bar | Φ25mm×35mm |
| Size | 5×5×10mm、5×10×10mm、10×10×0.5mmCustomized special direction and size substrate according to customer needs |
| Optical or polished finished productθ=0/45 º，Φ=0/45 ºDouble throw | Dimension tolerance: ± 0.05mm, crystal direction tolerance: ± 0.1Parallel degree: <15 ″ planarity: <λ / 4Surface mass: 10 / 5 |
| Polishing | Single or double-sided |
| Package | 100 clean bag, 1000 ultra-clean room |
