Figure 1 | Scientific Reports

Figure 1

From: Scalable Spatial-Spectral Multiplexing of Single-Virus Detection Using Multimode Interference Waveguides

Figure 1

(a) Schematic view of the optofluidic chip with MMI waveguide intersecting 3 separate liquid-core waveguides, and a Y-coupler to combine all the signals. The black arrows indicate the direction of flow (b) SEM image of the MMI section crossing 3 liquid-core waveguides. Inset: Full optofluidic device with reservoirs attached. (c) Images of the excitation patterns in 3 different channels for 2 wavelengths. The channels are filled with fluorescent liquid for imaging. The scale bar is 25 µm.

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