All Figures

$\begin{figure} \par\includegraphics[height=11.8cm,width=8cm,clip]{6349fig1.eps} \end{figure}$ Figure 1: Panel a): a comparison of the number of objects detected in the J-band image (solid line), in both the narrow band and J band images (dashed line), and in the narrow band image alone (dot-dashed line). Panel b): a histogram of the completeness function of objects detected in the narrow band filter. The histogram corresponds to the ratio between the dashed and solid lines in the upper panel. The dotted line is a fit to the histogram using Eq. (1).
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.15cm,clip]{6349fig2.ps}\end{figure}$ Figure 2: Luminosity function of LAEs at z = 5.7 (dashed line, Shimasaku et al. 2006) and z = 6.5 (plain line, Kashikawa et al. 2006). Square: Willis & Courbin (2005), Circle: this work, Triangle: on-going survey at CFHT targeting z = 7.7 LAEs. Data points have not been corrected for completeness. Extrapolation of the LF to higher z (z > 7), assuming the same evolution from z=6.5 as between z=5.7 and z=6.5 is shown for illustration.
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.15cm,clip]{6349fig3.ps}\end{figure}$ Figure 3: Number of detected LAEs versus time. The VLT/HAWK-I case is assumed. Two different strategies (one deep single pointing and 5 shallower pointings for the same total time on sky) are indicated, for two luminosity functions: the z = 6.6 LF (Kashikawa et al. 2006) (solid line, L₁^*) and the same z > 7 LF as in Fig. 2 with L₁^* dimmed by a factor two (dashed lines, L₂^*).
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In the text

$\begin{figure} \par\includegraphics[angle=-90,width=8.15cm,clip]{6349fig3.ps}\end{figure}$	Figure 3: Number of detected LAEs versus time. The VLT/HAWK-I case is assumed. Two different strategies (one deep single pointing and 5 shallower pointings for the same total time on sky) are indicated, for two luminosity functions: the z = 6.6 LF (Kashikawa et al. 2006) (solid line, L₁^) and the same z > 7 LF as in Fig. 2 with L₁^ dimmed by a factor two (dashed lines, L₂^*).
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