Optical constants of TiO2 (Titanium dioxide)
Siefke et al. 2016: Thin film; n,k 0.120–125 µm
Complex refractive index (n+ik)
Derived optical constants
Comments
Film: prepared by ALD, 350 nm TiO2. See Ratzsch et al. Nanotechnology 26, 024003 (2015).
Measurement: ellipsometer Jobin Yvon UVISEL2 VUV: 1.5-8.7 eV; ellipsometer Jobin Yvon UVISEL: 0.6-6.5 eV; ellipsometer Woollam IRVASE: 300-6500 cm-1; spectrophotometer McPhersom VUVas 2000: 5.6-10.3 eV; spectrophotometer Perkin Elmer Lambda 1050: 0.5-6.7 eV; spectrophotometer Bruker Vertex 80v: 80-7500 cm-1.
Fit model: universal dispersion model. See Franta et al. Appl. Opt. 54, 9108-9119 (2015).
References
T. Siefke, S. Kroker, K. Pfeiffer, O. Puffky, K. Dietrich, D. Franta, I. Ohlídal, A. Szeghalmi, E.-B. Kley, A. Tünnermann. Materials pushing the application limits of wire grid polarizers further into the deep ultraviolet spectral range, Adv. Opt. Mater. 4, 1780–1786 (2016) (Numerical data kindly provided by Thomas Siefke)
Data
INFO
Titanium dioxide, TiO2
Other names
- Titanium(IV) oxide
- Titania
Minerals
- Rutile
- Anatase
- Brookite