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Complex refractive indices: H2SO4/H2O solution; 75% H2SO4 concentration by weight; T=293 k; RH=95% #entries 61
Reference: Shettle and Fenn, 1979

 Wavelength   Real       Imaginary
 micron       index      index 
-------------------------------------------------------------------------------------------------------------
 2.500E-01   1.372E+00   3.150E-08
 3.000E-01   1.359E+00 	 1.549E-08
 3.500E-01   1.352E+00 	 6.798E-09
 4.000E-01   1.348E+00 	 2.553E-09
 4.500E-01   1.345E+00 	 1.784E-09
 5.000E-01   1.343E+00 	 1.766E-09
 5.500E-01   1.341E+00 	 2.644E-09
 6.000E-01   1.340E+00 	 1.122E-08
 6.500E-01   1.339E+00 	 1.643E-08
 7.000E-01   1.339E+00 	 3.239E-08
 7.500E-01   1.338E+00 	 1.488E-07
 8.000E-01   1.337E+00 	 1.217E-07
 9.000E-01   1.336E+00 	 4.663E-07
 1.000E+00   1.335E+00 	 2.774E-06
 1.250E+00   1.331E+00 	 8.550E-06
 1.500E+00   1.328E+00 	 1.932E-04
 1.750E+00   1.320E+00 	 1.269E-04
 2.000E+00   1.313E+00 	 1.114E-03
 2.500E+00   1.268E+00 	 1.912E-03
 3.000E+00   1.364E+00 	 2.570E-01
 3.200E+00   1.464E+00 	 9.603E-02
 3.390E+00   1.417E+00 	 3.461E-02
 3.500E+00   1.398E+00 	 2.205E-02
 3.750E+00   1.371E+00 	 1.435E-02
 4.000E+00   1.354E+00 	 1.493E-02
 4.500E+00   1.337E+00 	 2.247E-02
 5.000E+00   1.328E+00 	 2.164E-02
 5.500E+00   1.301E+00 	 2.619E-02
 6.000E+00   1.279E+00 	 1.145E-01
 6.200E+00   1.368E+00 	 9.455E-02
 6.500E+00   1.342E+00 	 4.676E-02
 7.200E+00   1.303E+00 	 4.435E-02
 7.900E+00   1.281E+00 	 7.255E-02
 8.200E+00   1.279E+00 	 8.701E-02
 8.500E+00   1.286E+00 	 9.783E-02
 8.700E+00   1.294E+00 	 1.004E-01
 9.000E+00   1.295E+00 	 9.038E-02
 9.200E+00   1.284E+00 	 8.784E-02
 9.500E+00   1.279E+00 	 1.045E-01
 9.800E+00   1.287E+00 	 1.017E-01
 1.000E+01   1.275E+00 	 8.520E-02
 1.060E+01   1.225E+00 	 9.060E-02
 1.100E+01   1.197E+00 	 1.298E-01
 1.150E+01   1.191E+00 	 1.617E-01
 1.250E+01   1.176E+00 	 2.538E-01
 1.300E+01   1.192E+00 	 2.956E-01
 1.400E+01   1.247E+00 	 3.551E-01
 1.480E+01   1.288E+00 	 3.797E-01
 1.500E+01   1.297E+00 	 3.857E-01
 1.640E+01   1.361E+00 	 4.259E-01
 1.720E+01   1.415E+00 	 4.427E-01
 1.800E+01   1.468E+00 	 3.932E-01
 1.850E+01   1.484E+00 	 3.877E-01
 2.000E+01   1.509E+00 	 3.616E-01
 2.130E+01   1.516E+00 	 3.716E-01
 2.250E+01   1.537E+00 	 3.412E-01
 2.500E+01   1.565E+00 	 3.427E-01
 2.790E+01   1.581E+00 	 3.255E-01
 3.000E+01   1.582E+00 	 3.154E-01
 3.500E+01   1.563E+00 	 3.236E-01
 4.000E+01   1.551E+00 	 3.710E-01