Page 254 - Optofluidics Fundamentals, Devices, and Applications
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0.25
0.2
0.15
0.1
0.05
0.25
0.2
0.15
0.3
0.5
0.45
0.6
0.55
0.35
0.4
Conic factor (K)
0.25 Curvature (C) (1/mm) Plot of curvature (C) vs. conic factor (K) of the aspherical PDMS lenses. The ratio of pre-stretch and the thickness of the
100 um 33% prestretch 100 um 15% prestretch 200 um 15% prestretch 200 um 24% prestretch 200 um 33% prestretch 100 um 24% prestretch 0.2 0.15 Curvature (C) (1/mm)
0.1 membrane affect both the curvature and the conic factor of the PDMS lenses.
0.05
2.5 2 1.5 1 0.5 0 –0.5
FIGURE 9-23
Conic factor (K)
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