Fig. 5. Photographs of the spectrum of white light diffracted by typically recorded
holocons (a) n1 = 0.014, (b) n1 = 0.018 and (c) n1 = 0.024.
step, to allow different colors of the spectrum onto the Si solar cell.
This has been repeated for all the recorded holocons. Output voltages
generated due to incidence of different colors of the spectrum
produced from all the recorded holocons, onto the Si solar cell have
been plotted in Fig. 7.