\begin{table}%t1
\caption{\label{fiber}Manufacturer and characteristics of the fibers in the $K$-, $H$-, and $J$-bands. NA: numerical aperture, $\lambda_{\rm c}$: cut-off wavelength, $\oslash$: diameters, Conc.: core concentricity.}
\small%\centering
\par
\begin{tabular}{l l l}
 \hline\hline
 $K$-band &	Highwave	& NA = 0.16; $\lambda_{\rm c}$ = 1900~nm \\	
  &	Silica	&	Core $\oslash$ = 9.7~$\mu$m; Conc. $<$ 5~$\mu$m
\\
 & Elliptical core	& Coating $\oslash$ = 245 $\mu$m\\
 & 	& Absolute length = 1.30 m $\pm$0.01 m\\
 & 	& Length difference after polishing: $\leq$$11~\mu$m \\
 \hline
 $H$-band &	Fujikura	& NA = 0.15; $\lambda_{\rm c}=1150$~nm \\	
  &	Silica	&	Mode $\oslash=5.5~\mu$m$@$1300~nm; Conc. 0.2~$\mu$m
\\
 & Panda core	& Coating $\oslash=245$ $\mu$m\\
 & 	& Absolute length = 1.30 m $\pm$0.01 m\\
 & 	& Length difference after polishing: $\leq$$12~\mu$m \\
 \hline
 $J$-band &	Fibercore	& NA = 0.14; $\lambda_{\rm c}=944$~nm \\	
  &	Silica	&	Mode $\oslash=6.3~\mu$m$@$1060~nm; Conc. 0.28~$\mu$m
\\
 & Bow tie core	& Coating $\oslash$ = 245 $\mu$m\\
 & 	& Absolute length = 1.30 m $\pm$0.01 m\\
 & 	& Length difference after polishing: $\leq$$20~\mu$m\\
 \hline
\end{tabular}
\end{table}