eV	cm-,	'um	n	k	n	k

2.3	18,550	0.5391		4.123		0.048
2.28	18,390	0.5438		4.106		0.044
2.26	18,230	0.5486		4.089		0.044
2.24	18,070	0.5535		4.073		0.032
2.22	17,910	0.5585		4.057		0.038
2.2	17,740	0.5636		4.042		0.032
2.18	17,580	0.5687		4.026		0.034
2.16	17,420	0.5740		4.012		0.030
2.14	17,260	0.5794		3.997		0.027
2.12	17,100	0.5848		3.983		0.030
2.1	16,940	0.5904		3.969		0.030
2.08	16,780	0.5961		3.956		0.027
2.06	16,610	0.6019		3.943		0.025
2.04	16,450	0.6078		3.931		0.025
2.02	16,290	0.6138		3.918		0.024
2.0	16,130	0.6199	2.96 x 10-' [21]	3.906		0.022
1.98	15,970	0.6262		3.893		0.022
1.96	15,810	0.6326		3.882		0.019
1.94	15,650	0.6391		3.870		0.018
1.92	15,490	0.6458		3.858		0.017
1.9	15,320	0.6526	2.4	3.847		0.016
1.88	15,160	0.6595		3.837		0.016
1.86	15,000	0.6666		3.826		0.015
1.84	14,840	0.6738		3.815		0.014
1.82	14,680	0.6812		3.805		0.013
1.8	14,520	0.6888	2.25	3.796		0.013
1.78	14,360	0.6965		3.787		0.013
1.76	14,200	0.7045		3.778		0.012
1.74	14,030	0.7126		3.768		0.011
1.72	13,870	0.7208		3.761		0.011
1.7	13,710	0.7293	1.97	3.752		0.010
1.68	13,550	0.7380		3.745		0.010
1.66	13,390	0.7469		3.736		0.009
1.64	13,230	0.7560		3.728		0.009
1.62	13,070	0.7653		3.721		0.008
1.6	12,900	0.7749	1.42	3.714		0.008
1.58	12,740	0.7847		3.705		0.007
1.56	12,580	0.7948		3.697		0.007
1.54	12,420	0.8051		3.688		0.006
1.52	12,260	0.8157		3.681		0.006
1.5	12,100	0.8266	1.25 x 10-2	3.673		0,005
1.4	11,290	0.8856	7.75 x 10-3
1.3	10,490	0.9537	2.26
1.28	10,320	0.9686			6.4 x 10-4 [23]
1.26	10,160	0.9840			5.1
1.24	10,000	0.9999			4.0