Page 255 - Optofluidics Fundamentals, Devices, and Applications

0.25

Curvature (C) (1/mm)
0.2

0.15

0.1

0.05
0.6 0.55 0.5 0.45 0.4 0.35 0.3 Conic factor (K) 0.25 0.2 0.15

0.25 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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