All Figures

$\begin{figure} \par\hspace*{5.7mm}\includegraphics[width=7.15cm,clip]{0212fig1.eps}\par\vspace*{1cm} \includegraphics[width=7.8cm,clip]{0212fig2.eps}\end{figure}$ Figure 1: a) The amplification factor |F(w,y)| for a point mass lens as a function of w with a fixed source position y=0.3. The solid line is the full result F; the dotted line is the geometrical optics approximation ${\rm d}F_{{\rm geo}}$ ; the dashed line is the quasi-geometrical optics approximation $F_{{\rm geo}}+{\rm d}F$ . b) The differences between F, $F_{{\rm geo}}$ and $F_{{\rm geo}}+{\rm d}F$ for a point mass lens as a function of w with y=0.3. The thin solid line is $\vert F-F_{{\rm geo}}\vert$ , and the thin dashed line is $\vert F-(F_{{\rm geo}}+{\rm d}F)\vert$ . The thick solid (dashed) line is the power of 1/w (1/w²).
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In the text

$\begin{figure} \par\hspace*{5.5mm}\includegraphics[width=7.15cm,clip]{0212fig3.eps}\par\vspace*{1cm} \includegraphics[width=7.8cm,clip]{0212fig4.eps}\end{figure}$ Figure 2: Same as Fig. 1, but for SIS lens with a source position y=0.3.
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In the text

$\begin{figure} \par\hspace{5.5mm}\includegraphics[width=7.15cm,clip]{0212fig3.eps}\par\vspace{1cm} \includegraphics[width=7.8cm,clip]{0212fig4.eps}\end{figure}$	Figure 2: Same as Fig. 1, but for SIS lens with a source position y=0.3.
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