Figure 2 SEM image of a gold-silicon substrate irradiated with low cycles.
Abdul Salam Mahmood, Krishnan Venkatakrishnan, Bo Tan
CC BY 4.0
Abdul Salam Mahmood et. al. "Gold-silicon nanofiber synthesized by femtosecond laser radiation for enhanced light absorptance", Nanoscale Research Letters <a rel="nofollow" class="external text" href="https://doi.org/10.1186/1556-276X-9-255">doi:10.1186/1556-276X-9-255</a>