\begin{table}%T1
\caption{Laser characteristics.}
\label{tab:laser_characteristics}
%\centering
\small
\begin{tabular}{ll}
\hline\hline\noalign{\smallskip}
Model                                        &Spectra-Physics 117                       \\
%CW Power output (min)                        &1.0 mW (1.5 mW typical)                   \\
Frequency (nominal)                          &473.61254 THz (6328.1~\AA)                \\
Beam diameter (1/e$^2$)                      &0.5~mm                                    \\
Beam divergence                              &1.6 mrad (full angle)                     \\
%Polarization (linear)                        &$\geq$~1000:1                            \\
Frequency stability                          &$\pm$2~MHz ($\pm$~1.27 m s$^{-1}$)       \\
~                                                   & 1--8 h (guaranteed)                \\
Intensity stability                          &1\%                                       \\
\noalign{\smallskip}\hline
\end{tabular}
\end{table}