W. M. Irvine and J. B. Pollack, "Infrared optical properties of water and ice spheres," Icarus, 8, 324--360, (1968). lambda absorption (nm) (1/cm) 200 0.08 250 0.03 300 0.015 350 0.003 400 0.001 450 0.0002 500 0.00025 550 0.00035 600 0.0015 650 0.0025 700 0.006 750 0.025 760 0.026 800 0.021 806 0.02 850 0.041 900 0.067 950 0.365 970 0.46 1000 0.355 1050 0.131 1060 0.128 1100 0.19 1150 0.8 1190 1.05 1200 1.02 1250 0.89 1258 0.88 1300 1.08 1350 2.7 1400 13 1450 26 1500 17.3 1550 9.6 1600 6.2 1650 5.1 1660 5 1700 5.15 1750 6.4 1800 8 1850 9.5 1900 80.5 1940 114 1950 110 2000 68 2050 41 2100 26 2150 19 2200 16 2210 15.5 2250 17 2300 23 2350 30 2400 42 2450 61 2500 83 2550 97 2600 99 2625 109 2650 131 2700 235 2750 1100 2800 4212 2900 10580 2950 11700 3000 10860 3100 7430 3200 3700 3300 1650 3400 698 3500 334 3600 198 3750 119 3830 111 4000 151 4500 411 4660 468 4800 431 5000 308 5260 229 5500 276 5800 699 6000 2138 6050 2328 6400 852 6500 794 7000 618 7500 579 8000 566 8500 557 9000 566 9500 579 10000 668