wavelength,signal 350.000,0.334833 380.000,0.343318 440.000,0.355493 550.000,0.363360 675.000,0.368315 870.000,0.371848 1020.00,0.371357 1240.00,0.364218 1370.00,0.359814 1610.00,0.347139 2130.00,0.322402 2250.00,0.315145