Thin Film Design & Applications  
  
 
 
 
 
 
 

Oxides

Material

Formula Index of Refraction @ 550nm Transparency Range (mm):
Aluminum Oxide Al2O3 1.65 0.2 - 9.0
Antimony Oxide Sb2O3 2.10 0.3 - 10.0

Bismuth Oxide

Bi2O3 0.4 - 12.0

Chromium Oxide

Cr2O3

Hafnium Oxide

HfO2 2.00 0.25 - 11.0

Indium Oxide

In2O3 2.05 0.4 - 9.0

Indium-tin Oxide

Sn:In2O3 2.05 0.4 - 2.0

Scandium Oxide

Sc2O3

1.89 0.3 - 12.0

Silicon Dioxide

SiO2 1.46 0.2 - 7.0

Silicon Monoxide

SiO 1.90 0.45 - 7.0

Tantalum Oxide

Ta2O5 2.09 0.3 - 10.0

Titanium Oxide

TiO2 2.40 0.45 - 11.0

Yttrium Oxide

Y2O3 1.80 0.3 - 11.0

Zirconium Oxide

ZrO2 1.96 0.3 - 11.0

 

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