Reflection spectra of Si surface with microcones. The reflection spectra of Si: curve 1, Si single crystal; curves 2 and 3, Si with microcones formed by 1,600 and 2,000 number of the laser pulses, respectively. Angle of incidence is 90°.
Medvid et al. Nanoscale Research Letters 2013 8:264 doi:10.1186/1556-276X-8-264