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Rutile (TiO2) |
| Rutile is a high index material used for coupling prisms. |
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Product Data |
| Transmission Range : |
0.43 to 5.0 μm |
| Refractive Index : |
No 2.555 at 0.69μ (1)(2) |
| Reflection Loss : |
30% at 2μ (2 surfaces) |
| Absorption Coefficient : |
n/a |
| Reststrahlen Peak : |
n/a |
| dn/dT : |
n/a |
| dn/dμ = 0 : |
2.81μ |
| Density : |
4.26 g/cc |
| Melting Point : |
1840 °C |
| Thermal Conductivity : |
12.5 (para) 8.7 (perp) W m-1 K-1 |
| Thermal Expansion : |
9.2 (para) 7.1 (perp) x 10-6 /°C |
| Hardness : |
Knoop 879 with 500g indenter |
| Specific Heat Capacity : |
711 J kg-1 K-1 |
| Dielectric Constant : |
160 at 1 MHz |
| Youngs Modulus (E) : |
n/a |
| Shear Modulus (G) : |
n/a |
| Bulk Modulus (K) : |
n/a |
| Elastic Coefficients : |
C11=269;C12=177;C13=146;C33=480;C44=124 |
| Apparent Elastic Limit : |
4.8 MPa (700 psi) |
| Poisson Ratio : |
0.28 |
| Solubility : |
Insoluble in water |
| Molecular Weight : |
79.9 |
| Class/Structure : |
Tetragonal, SnO2 rutile, P4/mmm |
To download this data or our MSDS safety data sheet as a pdf, please click on the links at the top of the page. To expand the transmission graphs, please click on the image.
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Refractive Index |
| µm |
No |
Ne |
µm |
No |
Ne |
µm |
No |
Ne |
| 0.436 |
2.853 |
3.216 |
0.492 |
2.725 |
3.051 |
0.496 |
2.718 |
3.042 |
| 0.546 |
2.652 |
2.958 |
0.577 |
2.623 |
2.921 |
0.579 |
2.621 |
2.919 |
| 0.589 |
2.616 |
2.903 |
0.691 |
2.555 |
2.836 |
0.708 |
2.548 |
2.826 |
| 1.01 |
2.484 |
2.747 |
1.530 |
2.454 |
2.710 |
2.42 |
2.40 |
2.59 |
| 3.38 |
2.41 |
2.58 |
3.79 |
2.39 |
2.57 |
4.28 |
2.34 |
2.51 |
| 4.89 |
2.32 |
2.49 |
5.73 |
2.24 |
2.43 |
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Product Notes |
Rutile is grown by the Czochralski method up to 25mm diameter and up to 80mm long.
REFERENCES:
(1) Handbook Optical Constants, ed Palik, V1, ISBN 0-12-544423-6
(2) Shenoy; IEE Poceedings-J, Vol. 139, No. 2, Apr 1992
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Data provided is extracted from our technical handbook of materials. While every attempt has been made to verify the source of the information, Crystran Ltd accept no responsibility for accuracy of data |
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