Figure 4 | Scientific Reports

Figure 4

From: Optofluidic variable optical path modulator

Figure 4

Measurement of the optical path change. (a) Setup of the measurement system. (b) Fringe pattern in the initial state. (c) Fringe pattern at 60 V. (d) Optical path change at different voltages for moving up state. (e) Optical path change at different voltages for moving down state.

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