csv/202-csv/128.csv

"Material","λ (nm)","n"
"Vacuum","","1 (by definition)"
"Air at STP","","1.000277"
"Air","589.29","1.000293"
"Carbon dioxide","589.29","1.00045"
"Helium","589.29","1.000036"
"Hydrogen","589.29","1.000132"
"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","","1.336-1.582"
"Water","589.29","1.3330"
"10% Glucose solution in water","589.29","1.3477"
"20% Glucose solution in water","589.29","1.3635"
"60% Glucose solution in water","589.29","1.4394"
"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"
"Liquid helium","","1.025"
"Water ice","","1.31"
"Cornea (human)","","1.373/1.380/1.401"
"Lens (human)","","1.386 - 1.406"
"Acetone","","1.36"
"Ethanol","","1.36"
"Glycerol","","1.4729"
"Bromine","","1.661"
"Teflon AF","","1.315"
"Teflon","","1.35 - 1.38"
"Cytop","","1.34"
"Sylgard 184 (Polydimethylsiloxane)","","1.4118"
"PLA","","1.46"
"Acrylic glass","","1.490 - 1.492"
"Polycarbonate","","1.584 - 1.586"
"PMMA","","1.4893 - 1.4899"
"PETg","","1.57"
"PET","","1.5750"
"Crown glass (pure)","","1.50 - 1.54"
"Flint glass (pure)","","1.60 - 1.62"
"Crown glass (impure)","","1.485 - 1.755"
"Flint glass (impure)","","1.523 - 1.925"
"Pyrex (a borosilicate glass)","","1.470"
"Cryolite","","1.338"
"Rock salt","","1.516"
"Sapphire","","1.762–1.778"
"Sugar Solution, 25%","","1.3723"
"Sugar Solution, 50%","","1.4200"
"Sugar Solution, 75%","","1.4774"
"Cubic zirconia","","2.15 - 2.18"
"Potassium Niobate (KNbO3)","","2.28"
"Silicon carbide","","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","","4.01"
"Silicon","590","3.962"