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Complex refractive indices: H2SO4/H2O solution; 75% H2SO4 concentration by weight; T=293 k; RH=99% #entries 61
Reference: Fenn et al., 1985

 Wavelength   Real       Imaginary
 micron       index      index 
-------------------------------------------------------------------------------------------------------------
 2.500E-01   1.365E+00   3.286E-08
 3.000E-01   1.352E+00 	 1.584E-08
 3.500E-01   1.346E+00 	 6.595E-09
 4.000E-01   1.342E+00 	 2.082E-09
 4.500E-01   1.340E+00 	 1.265E-09
 5.000E-01   1.338E+00 	 1.245E-09
 5.500E-01   1.336E+00 	 2.179E-09
 6.000E-01   1.335E+00 	 1.100E-08
 6.500E-01   1.334E+00 	 1.641E-08
 7.000E-01   1.334E+00 	 3.315E-08
 7.500E-01   1.333E+00 	 1.537E-07
 8.000E-01   1.332E+00 	 1.239E-07
 9.000E-01   1.331E+00 	 4.797E-07
 1.000E+00   1.330E+00 	 2.853E-06
 1.250E+00   1.325E+00 	 8.652E-06
 1.500E+00   1.323E+00 	 1.978E-04
 1.750E+00   1.315E+00 	 1.086E-04
 2.000E+00   1.308E+00 	 1.104E-03
 2.500E+00   1.263E+00 	 1.795E-03
 3.000E+00   1.369E+00 	 2.672E-01
 3.200E+00   1.473E+00 	 9.356E-02
 3.390E+00   1.421E+00 	 2.681E-02
 3.500E+00   1.399E+00 	 1.345E-02
 3.750E+00   1.370E+00 	 6.972E-03
 4.000E+00   1.352E+00 	 7.906E-03
 4.500E+00   1.333E+00 	 1.630E-02
 5.000E+00   1.326E+00 	 1.536E-02
 5.500E+00   1.299E+00 	 1.627E-02
 6.000E+00   1.269E+00 	 1.094E-01
 6.200E+00   1.365E+00 	 9.010E-02
 6.500E+00   1.340E+00 	 4.162E-02
 7.200E+00   1.309E+00 	 3.602E-02
 7.900E+00   1.290E+00 	 4.627E-02
 8.200E+00   1.284E+00 	 5.171E-02
 8.500E+00   1.281E+00 	 5.626E-02
 8.700E+00   1.279E+00 	 5.789E-02
 9.000E+00   1.273E+00 	 5.605E-02
 9.200E+00   1.264E+00 	 5.633E-02
 9.500E+00   1.255E+00 	 6.362E-02
 9.800E+00   1.248E+00 	 6.511E-02
 1.000E+01   1.236E+00 	 6.181E-02
 1.060E+01   1.194E+00 	 7.482E-02
 1.100E+01   1.167E+00 	 1.074E-01
 1.150E+01   1.147E+00 	 1.483E-01
 1.250E+01   1.140E+00 	 2.573E-01
 1.300E+01   1.161E+00 	 3.020E-01
 1.400E+01   1.222E+00 	 3.652E-01
 1.480E+01   1.268E+00 	 3.908E-01
 1.500E+01   1.279E+00 	 3.968E-01
 1.640E+01   1.351E+00 	 4.266E-01
 1.720E+01   1.395E+00 	 4.334E-01
 1.800E+01   1.437E+00 	 4.155E-01
 1.850E+01   1.456E+00 	 4.104E-01
 2.000E+01   1.489E+00 	 3.829E-01
 2.130E+01   1.499E+00 	 3.766E-01
 2.250E+01   1.516E+00 	 3.608E-01
 2.500E+01   1.542E+00 	 3.518E-01
 2.790E+01   1.559E+00 	 3.347E-01
 3.000E+01   1.561E+00 	 3.240E-01
 3.500E+01   1.542E+00 	 3.320E-01
 4.000E+01   1.529E+00 	 3.805E-01