\begin{table} %t3
\caption{Expected performance of the AMBER design based on the optical study described in this paper.}
\small
%\begin{center}
\par
		\begin{tabular}{|l |l |l|l |l|l|l|l|l|l|} \hline\hline
\multicolumn{5}{|l|}{\scriptsize \textbf{Contrast level}}& \multicolumn{5}{l|}{\scriptsize \textbf{80\% to 90\% in $K$ (R = 35) }}\\	\hline
&\multicolumn{4}{|l|}{\scriptsize Static achromatic OPD equality}&&\multicolumn{4}{l|}{\scriptsize $\pm 4 \mu$m} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize Tilt errors}&&\multicolumn{4}{l|}{\scriptsize $\pm$ 3$''$ } \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize WF quality}&&\multicolumn{4}{l|}{\scriptsize 140~nm ($\lambda$/16 rms $@$ 2.2 $\mu$m)} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize Differential polarization (after fiber exit)}&&\multicolumn{4}{l|}{\scriptsize $\pm 16^\circ $} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize Differential fiber axis orientation }&&\multicolumn{4}{l|}{\scriptsize $\pm$$3^\circ $} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize Bias due to unequal intensity}&&\multicolumn{4}{l|}{\scriptsize 0.9} \\ \hline \hline
\multicolumn{5}{|l|}{\scriptsize \textbf{Minimal optical throughput of AMBER}}& \multicolumn{5}{l|}{\scriptsize \textbf{$>$2\% in $K$ }}\\	\hline
&\multicolumn{4}{|l|}{\scriptsize Warm optics}&&\multicolumn{4}{l|}{\scriptsize $\pm$$17$\%} \\ 
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&&\multicolumn{3}{|l|}{\scriptsize Fiber transmission}&&&\multicolumn{3}{l|}{\scriptsize $\pm$$51$\%} \\
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&&&\multicolumn{2}{|l|}{\scriptsize Fiber coupling}&&&&\multicolumn{2}{l|}{\scriptsize $\pm$$81$\%} \\
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&&&\multicolumn{2}{|l|}{\scriptsize Throughput of the fiber}&&&&\multicolumn{2}{l|}{\scriptsize $\pm$$66$\%} \\
\cline{4-5}\cline{9-10}
&&&\multicolumn{2}{|l|}{\scriptsize Coupling degradation factor}&&&&\multicolumn{2}{l|}{\scriptsize $\pm$$95$\%} \\
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&&&&\scriptsize Fiber head shift&&&&&\scriptsize $\pm$$0.3~\mu$m \\
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&&&&\scriptsize Defocus&&&&&\scriptsize $\pm$$4~\mu$m \\
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&&&&\scriptsize Fiber angular inclination&&&&&\scriptsize $\pm$$0.5^\circ$ \\
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&&&&\scriptsize Optical quality&&&&&\scriptsize $\lambda$/10 rms $@$ 633~nm \\
\cline{4-5}\cline{9-10}
&&&&\scriptsize Polarization control&&&&&\scriptsize $\pm$$3^\circ $ \\
\cline{3-5}\cline{8-10}
&&\multicolumn{3}{|l|}{\scriptsize Warm optics optical element transmission}&&&\multicolumn{3}{l|}{\scriptsize $\pm$$33$\%} \\
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&\multicolumn{4}{|l|}{\scriptsize SPG}&&\multicolumn{4}{l|}{\scriptsize $\pm$$39$\%} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize DET}&&\multicolumn{4}{l|}{\scriptsize $\pm$$62$\%} \\ \hline\hline
\multicolumn{5}{|l|}{\scriptsize \textbf{Static chromatic OPD}}& \multicolumn{5}{l|}{\scriptsize \textbf{$\leq 0.1\mu$m inside the spectral bands}}\\	\hline
&\multicolumn{4}{|l|}{\scriptsize Relative glass thickness and fiber length}&&\multicolumn{4}{l|}{\scriptsize $\approx$$\pm$$500~\mu$m shared out all the transmissive elements} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize Optical quality of each element}&&\multicolumn{4}{l|}{\scriptsize $\lambda$/5 PTV $@$ 633~nm } \\ \hline\hline
\multicolumn{5}{|l|}{\scriptsize \textbf{Dynamic chromatic OPD}}& \multicolumn{5}{l|}{\scriptsize \textbf{$\leq$ photon noise during 1~min}}\\	\hline 
&\multicolumn{4}{|l|}{\scriptsize Beam angular deviation at the exit of prismatic optics}&&\multicolumn{4}{l|}{\scriptsize $\pm$$1''$ to $\pm$$3''$} \\
\cline{2-5}\cline{7-10} 
&\multicolumn{4}{|l|}{\scriptsize Relative glass thickness and fiber length}&&\multicolumn{4}{l|}{\scriptsize $\approx$$\pm$$500~\mu$m shared out all the transmissive elements} \\ 
\hline \hline
\multicolumn{5}{|l|}{\scriptsize \textbf{Contrast calibration (P2VM)}}& \multicolumn{5}{l|}{\scriptsize \textbf{3$\sigma_{V}=0.01$}}\\	\hline
&\multicolumn{4}{|l|}{\scriptsize Generated contrast of point-like source}&&\multicolumn{4}{l|}{\scriptsize $>$75\%} \\ 
\cline{2-5}\cline{7-10}
&\multicolumn{4}{|l|}{\scriptsize Contrast knowledge accuracy}&&\multicolumn{4}{l|}{\scriptsize $10^{-3}$} \\  \hline\hline
\multicolumn{5}{|l|}{\scriptsize \textbf{Dimensioning}}& \multicolumn{5}{l|}{}\\	\hline
&\multicolumn{4}{|l|}{\scriptsize VLTI AMBER interface}&&\multicolumn{4}{l|}{} \\
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&&\multicolumn{3}{|l|}{\scriptsize Beam size}&&&\multicolumn{3}{l|}{\scriptsize 18 mm} \\
\cline{3-5}\cline{8-10}
&&\multicolumn{3}{|l|}{\scriptsize Beam height adjustment accuracy}&&&\multicolumn{3}{l|}{\scriptsize $\pm$0.3 mm} \\
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&&\multicolumn{3}{|l|}{\scriptsize Beam separation adjustment accuracy}&&&\multicolumn{3}{l|}{\scriptsize $\pm$0.3 mm} \\ \hline
&\multicolumn{4}{|l|}{\scriptsize SPG warm optics: interface}&&\multicolumn{4}{l|}{} \\
\cline{2-5}\cline{7-10}
&&\multicolumn{3}{|l|}{\scriptsize Beam size and separations (no anamorphosis)}&&&\multicolumn{3}{l|}{\scriptsize See Fig.~\ref{pupil}} \\
\cline{3-5}\cline{8-10}
&&\multicolumn{3}{|l|}{\scriptsize Anamorphosis factor}&&&\multicolumn{3}{l|}{\scriptsize 15.6} \\
\cline{3-5}\cline{8-10}
&&\multicolumn{3}{|l|}{\scriptsize Pupil transverse location accuracy}&&&\multicolumn{3}{l|}{\scriptsize $\pm$$250~\mu$m in the anamorphosis direction} \\
&&\multicolumn{3}{|l|}{}&&&\multicolumn{3}{l|}{\scriptsize $\pm$$16~\mu$m in the other one} \\
\cline{3-5}\cline{8-10}
&&\multicolumn{3}{|l|}{\scriptsize Image transverse location accuracy}&&&\multicolumn{3}{l|}{\scriptsize $\pm$$5~\mu$m in the anamorphosis direction} \\\hline
		\end{tabular}
%\end{center}
\par
\label{detail}
\end{table}