\begin{overpic}[width=0.49\textwidth]{ys_ol_CBK1a_11_BSE}
\put(1,74){\colorbox{white}{(\sublabel{ys_ol_CBK1a_11_BSE}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20170607183649-433946}{ys_ol_CBK1a_11_BSE}}}
%%(\subref{ys_ol_CBK1a_11_BSE}) \href{ys_ol_CBK1a_11_BSE}
\color{red}
\put(50.1,41.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170607183644-685422}{spot of ys_ol_CBK1a@11}} % 20170607183644-685422 % \vs(6215.0, -3296.7)
%%scale 10 micro meter
\put(1,1){\line(1,0){13.0}}
\end{overpic}