Page 213 - Algae

196 Algae: Anatomy, Biochemistry, and Biotechnology

TABLE 5.3
Luminous Efficacy of the Eye at the Different Wavelengths for Both the Light-Adapted
(Photopic) Vision and the Dark-Adapted (Scotopic) Vision
Photopic Photopic Scotopic Scotopic
l Luminous lm W 21 Luminous lm W 21
(nm) Sensitivity Conversion a Sensitivity Conversion a
380 0.000039 0.027 0.000589 1.001
390 0.000120 0.082 0.002209 3.755
400 0.000396 0.270 0.009290 15.793
410 0.001210 0.826 0.034840 59.228
420 0.004000 2.732 0.096600 164.220
430 0.011600 7.923 0.199800 339.660
440 0.023000 15.709 0.328100 557.770
450 0.038000 25.954 0.455000 773.500
460 0.060000 40.980 0.567000 963.900
470 0.090980 62.139 0.676000 1149.200
480 0.139020 94.950 0.793000 1348.100
490 0.208020 142.078 0.904000 1536.800
500 0.323000 220.609 0.982000 1669.400
507 0.444310 303.464 1.000000 1700.000
510 0.503000 343.549 0.997000 1694.900
520 0.710000 484.930 0.935000 1589.500
530 0.862000 588.746 0.811000 1378.700
540 0.954000 651.582 0.650000 1105.000
550 0.994950 679.551 0.481000 817.700
555 1.000000 683.000 0.402000 683.000
560 0.995000 679.585 0.328800 558.960
570 0.952000 650.216 0.207600 352.920
580 0.870000 594.210 0.121200 206.040
590 0.757000 517.031 0.065500 111.350
600 0.631000 430.973 0.033150 56.355
610 0.503000 343.549 0.015930 27.081
620 0.381000 260.223 0.007370 12.529
630 0.265000 180.995 0.003335 5.670
640 0.175000 119.525 0.001497 2.545
650 0.107000 73.081 0.000677 1.151
660 0.061000 41.663 0.000313 0.532
670 0.032000 21.856 0.000148 0.252
680 0.017000 11.611 0.000072 0.122
690 0.008210 5.607 0.000035 0.060
700 0.004102 2.802 0.000018 0.030
710 0.002091 1.428 0.000009 0.016
720 0.001047 0.715 0.000005 0.008
730 0.000520 0.355 0.000003 0.004
740 0.000249 0.170 0.000001 0.002
750 0.000120 0.082 0.000001 0.001
760 0.000060 0.041 0.000001 0.001
770 0.000030 0.020 0.000001 0.001
a
The conversion factors to use when reporting the photometric units (luminous flux) in radiometric units (radiant flux).