\begin{table}%t4
%\centering
\par
\caption{\label{tab:IBISStrehl}IBIS Strehl ratios for different modeled configurations.}
\begin{tabular}{lll}
\hline\hline\noalign{\smallskip}
Set-up & \multicolumn{1}{c}{6302~\AA} &\multicolumn{1}{c}{8542 \AA}     \\
 \hline
Uncorrected	  &  0.886       &    0.930     \\
Refocused			    & 0.949 (--0.14)&  0.970 (--0.11)\\
Phase Compensation    &  0.964       &    0.979     \\
Phase Comp. \& Refocus & 0.969 (+0.04) & 0.982 (+0.03) \\
Intensity Masking only &  0.980   & 0.989    \\
\hline
\end{tabular}
\tablefoot{In the case of refocusing, the \textit{Fresnel number} is quoted in parenthesis.}
\vspace*{4mm}
\end{table}