942018.fig.0019a
(a)
942018.fig.0019b
(b)
942018.fig.0019c
(c)
942018.fig.0019d
(d)
Figure 19: The PDMS optical film of D40-B microlens array (a) the first scale (34 μm), (b) the second scale (23 μm), (c) the third scale (13 μm), and (d) the forth scale (6 μm).