Distance (m) Intensity (Lux) Intensity (W/m^2) Expected 0.23 280.23 234.762 225.645 0.25 245.297556 205.4 190.986 0.3 163.531704 137.14 132.629 0.35 120.2724161 100.76 97.442 0.4 92.35214253 77.37 74.604 0.45 72.73970362 60.95 58.946 0.5 58.37007538 48.9 47.746 0.6 40.9293462 34.29 33.157 0.75 26.1411994 21.9 21.221 0.9 18.41776369 15.43 14.737 1 14.92077592 12.5 11.937 1.25 9.588687434 8.033 7.639 1.5 6.340732933 5.312 5.305 1.75 4.880884217 4.089 3.8977 2 3.59292284 3.01 2.9842 2.25 3.0402573 2.547 2.3579 2.5 2.466105843 2.066 1.9099 2.75 1.914633965 1.604 1.5784 3 1.595926192 1.337 1.3263 3.25 1.383454343 1.158 1.1301 3.5 1.20321137 1.008 0.9744 3.75 1.067133894 0.894 0.8488 4 0.934637403 0.783 0.746 4.25 0.826014155 0.692 0.6609 4.5 0.731714851 0.613 0.5895 4.75 0.654126816 0.548 0.5291 5 0.59325005 0.497 0.4775