t/s      422nm	  620nm    634nm
  540  0.91248	 0.51051  0.42691
  840  0.92561	 0.53577  0.44214
 1140  0.93230 	 0.55534  0.45198
 1440  0.93521 	 0.56934  0.45753
 1740  0.93558 	 0.57883  0.46000
 2040  0.93486 	 0.58546  0.46092
 2640  0.93219 	 0.59269  0.45970
 3541  0.92785 	 0.59593  0.45545
 4441  0.92410 	 0.59595  0.45100
 5641  0.92101	  0.59481  0.44591
 7141  0.91890	  0.59316  0.44104
 9242  0.91750	  0.59080  0.43597
11642  0.91679	  0.58888  0.43204
14943  0.91791	  0.58749  0.42872
18844  0.91914	  0.58613  0.42574
23945  0.92103	  0.58523  0.42315
30546  0.92402	  0.58502  0.42128
38348  0.92772	  0.58543  0.42015
48250  0.93254	  0.58694  0.41996
60552  0.93797	  0.58886  0.41995
75555  0.94446	  0.59161  0.42069