Index of Refraction

MaterialIndex
Vacuum
1.00000
Air at STP
1.00029
Ice
1.31
Water at 20 C
1.33
Acetone
1.36
Ethyl alcohol
1.36
Sugar solution(30%)
1.38
Fluorite
1.433
Fused quartz
1.46
Glycerine
1.473
Sugar solution (80%)
1.49
Typical crown glass
1.52
Crown glasses
1.52-1.62
Spectacle crown, C-1
1.523
Sodium chloride
1.54
Polystyrene
1.55-1.59
Carbon disulfide
1.63
Flint glasses
1.57-1.75
Heavy flint glass
1.65
Extra dense flint, EDF-3
1.7200
Methylene iodide
1.74
Sapphire
1.77
Rare earth flint
1.7-1.84
Lanthanum flint
1.82-1.98
Arsenic trisulfide glass
2.04
Diamond
2.417
Refraction discussionOptical glasses
Index

Tables
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