\begin{figure}[ht]
\begin{center}
-\includegraphics[width=0.5\textwidth]{figures/strip-module.jpg}
+\includegraphics[width=0.5\textwidth]{figures/strip-module.pdf}
\end{center}
\caption{\label{fig:strip} View of a fully assembled strip module. The photo shows the APD+CSP package and copper shielding monunted light guide fixture. On the right part
of the photo the LED UV optical fiber distribution system is visible. Each strip module, is cabled via 3 T-Cards visible in the center of the assembly.}