Source: http://en.wikipedia.org/wiki/List_of_refractive_indices#List
List of representative refractive indices | |||
Material | λ (nm) | n | |
Vacuum(by definition) | 1 | ||
Air at STP | 1.000277 | ||
Gases( at 0 °C and 1 atm) | |||
Air | 589.29 | 1.000293 | |
Carbon dioxide | 589.29 | 1.00045 | |
Helium | 589.29 | 1.000036 | |
Hydrogen | 589.29 | 1.000132 | |
Liquids(at 20 °C) | |||
Arsenic trisulfide and sulfur in methylene iodide | 1.9 | ||
Benzene | 589.29 | 1.501 | |
Carbon disulfide | 589.29 | 1.628 | |
Carbon tetrachloride | 589.29 | 1.461 | |
Ethyl alcohol (ethanol) | 589.29 | 1.361 | |
Silicone oil (MIN-MAX) | 1.336 | 1.582 | |
Water | 589.29 | 1.333 | |
Glucose solution in water(10%) | 589.29 | 1.3477 | |
Glucose solution in water(20%) | 589.29 | 1.3635 | |
Glucose solution in water(60%) | 589.29 | 1.4394 | |
Solids at room temperature | |||
Titanium dioxide (Rutile phase ) | 589.29 | 2.496 | |
Diamond | 589.29 | 2.419 | |
Strontium titanate | 589.29 | 2.41 | |
Amber | 589.29 | 1.55 | |
Fused silica (also called Fused Quartz) | 589.29 | 1.458 | |
Sodium chloride | 589.29 | 1.544 | |
Other materials | |||
Liquid helium | 1.025 | ||
Water ice | 1.31 | ||
Cornea (human) | 1.373/1.380/1.401 | ||
Lens (human) (MIN-MAX) | 1.386 | 1.406 | |
Acetone | 1.36 | ||
Ethanol | 1.36 | ||
Glycerol | 1.4729 | ||
Bromine | 1.661 | ||
Teflon AF | 1.315 | ||
Teflon (MIN-MAX) | 1.35 | 1.38 | |
Cytop | 1.34 | ||
Sylgard 184 (Polydimethylsiloxane) | 1.4118 | ||
PLA | 1.46 | ||
Acrylic glass (MIN-MAX) | 1.49 | 1.492 | |
Polycarbonate (MIN-MAX) | 1.584 | 1.586 | |
PMMA (MIN-MAX) | 1.4893 | 1.4899 | |
PETg | 1.57 | ||
PET | 1.575 | ||
Crown glass (pure) (MIN-MAX) | 1.5 | 1.54 | |
Flint glass (pure) (MIN-MAX) | 1.6 | 1.62 | |
Crown glass (impure) (MIN-MAX) | 1.485 | 1.755 | |
Flint glass (impure) (MIN-MAX) | 1.523 | 1.925 | |
Pyrex (a borosilicate glass) (MIN-MAX) | 1.47 | ||
Cryolite | 1.338 | ||
Rock salt | 1.516 | ||
Sapphire (MIN-MAX) | 1.762 | 1.778 | |
Sugar Solution(25%) | 1.3723 | ||
Sugar Solution(50%) | 1.42 | ||
Sugar Solution(75%) | 1.4774 | ||
Cubic zirconia (MIN-MAX) | 2.15 | 2.18 | |
Potassium Niobate (KNbO3) | 2.28 | ||
Silicon carbide (MIN-MAX) | 2.65 | 2.69 | |
Cinnabar (Mercury sulfide) | 3.02 | ||
Gallium(III) phosphide | 3.5 | ||
Gallium(III) arsenide | 3.927 | ||
Zinc Oxide | 390 | 2.4 | |
Germanium (MAX-MIN) | 3000 - 16000 | 4.05 | 4.01 |
Silicon (MAX-MIN) | 1200 - 8500 | 3.48 | 3.42 |