\documentclass{article} \usepackage{graphicx} \usepackage{amssymb} \usepackage{epstopdf} \usepackage{multicol} \usepackage{subfigure} \begin{document} \section{multicol} Figure~\ref{Noise:ENC1} and Figure~\ref{Noise:ENC2} . \begin{figure}[hptb] \begin{multicols}{2} \begin{center} \includegraphics[width=0.49\textwidth]{figures/fig1.eps} \end{center} \caption{Caption of figure 1.} \label{Noise:ENC1} \begin{center} \includegraphics[width=0.49\textwidth]{figures/fig2.eps} \end{center} \caption{Caption of figure 2.} \label{Noise:ENC2} \end{multicols} \end{figure} \section{subfigure} \begin{figure}[ht!] \centering \subfigure[]{\includegraphics[width=0.49\textwidth]{figures/fig1.eps}} \subfigure[]{\includegraphics[width=0.49\textwidth]{figures/fig2.eps}} \caption{Length deviation of the SCT barrel flange interferometers: (a) 24hr stability before cooling stoppage and (b) during a cycle of the ATLAS solenoid.} \end{figure} \section{simply include twice} \begin{figure}[ht!] \centering \includegraphics[width=0.48\textwidth]{figures/fig1.eps} \includegraphics[width=0.48\textwidth]{figures/fig2.eps} \caption{\label{fig:GLI}{\emph{The Grid Line Interferometer design for the ATLAS FSI system. The wide angle beam emerging from the EC.}}}} \end{figure} \end{document}