Entrance Windows

**Figure 15:** The measured transmission of the entrance window 1. Left: The whole transmission curve from zero transmission to full transmission 1. Right: The transmission curve zoomed-in to a transmission from 0.90 to 1.00.
$\includegraphics[width=0.45\textwidth]{pictures/EW1_gesamt}$ $\includegraphics[width=0.45\textwidth]{pictures/EW1_oben}$

**Figure 16:** The measured transmission of the entrance window 2. Left: The whole transmission curve from zero transmission to full transmission 1. Right: The transmission curve zoomed-in to a transmission from 0.90 to 1.00.
$\includegraphics[width=0.45\textwidth]{pictures/EW2_gesamt}$ $\includegraphics[width=0.45\textwidth]{pictures/EW2_oben}$

Andre Germeroth 2013-05-07