\begin{table}%T2
\caption{Design parameters for the VUV 10~pm interferometer.} 
\label{table:2}      
%\centering
\par
\begin{tabular}{l }
\hline \hline                       
 Operating wavelength: $\lambda=155$~nm \\   
Clear aperture : 25 mm \\
Coating reflectance: 0.79 \\ 
Effective reflectance: 0.65 \\ 
Reflective finesse: $F_{\rm R}=7$ \\ 
Defect finesse: 13  \\ 
Total finesse: 6 \\ 
Optical gap: $d=200$ mm \\ 
Free spectral range: 60~pm \\ 
Passband width: 10~pm \\
\hline                                  
\end{tabular}
\end{table}