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Rutile (TiO2)

♦ Rutile (TiO2) Data Sheet    ♦ Rutile (TiO2) MSDS

Rutile is a high index material used for coupling prisms.

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.


µm   NoNeµm   NoNeµm   NoNe
0.436   2.8533.2160.492   2.7253.0510.496   2.7183.042
0.546   2.6522.9580.577   2.6232.9210.579   2.6212.919
0.589   2.6162.9030.691   2.5552.8360.708   2.5482.826
1.01   2.4842.7471.530   2.4542.7102.42   2.402.59
3.38   2.412.583.79   2.392.574.28   2.342.51
4.89   2.322.495.73   2.242.43

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