\begin{table}%t4
 \caption{Error budget on the coupling efficiency. $F$ = focal length of the injection optics, $D$ = pupil diameter.}
 \small%\centering
\par
\begin{tabular}{c c c c c}
 \hline\hline
	& Deviation & 1.10 $\mu$m&	1.65 $\mu$m&	2.20 $\mu$m\\	
	& from optimum& &	&	\\	\hline
 Tilt&	0.5$^\circ$ &	$>$0.99&	$>$0.99&	$>$0.99\\
 Fiber head shift&	0.3 $\mu$m&	$>$0.98	&$>$0.99	&$>$0.99\\
 Defocus	&4 $\mu$m	&$>$0.99&	$>$0.99&	$>$0.99\\
 $F/D$&	0.93&	$>$0.99&	$>$0.99&	$>$0.99\\\hline
 \textbf{Total}	&&	$>$0.95&	$>$0.96	&$>$0.96\\\hline
		\end{tabular}
	\label{spec_fib}
\end{table}