Touchless Mechanism to Detect Rhodamine B Concentration in Distilled Water Using Fiber Bundle

<div>The curve of output voltage against displacement of (a) concentric bundle probe and (b) a pair bundle probe for rhodamine B solution with different concentrations.</div>

International Journal of Optics

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Figure 5

Figure 5: Touchless Mechanism to Detect Rhodamine B Concentration in Distilled Water Using Fiber Bundle 