fig11

Figure 11. Application of plastic optical fibers with surface functional patterning. (A) Procedure of roller imprinting on the POF surface; (B) Photograph of intermittently patterned POF (top) and optical micrograph of 5 μm dotted pattern imprinted on POF (bottom).Reproduced with permission^[202]. Copyright 2010, Elsevier; (C) Setup scheme required for multi-sensing fluorescent POF sensors; (D) Multi-sensing device individually tested using nine complex solutions with different pH, glucose concentration, and MMP concentration. Reproduced with permission^[206]. Copyright 2023, John Wiley and Sons; (E) Schematic and optical image of a printed hybrid PbS QDs phototransistor structure. Reproduced with permission^[42]. Copyright 2023, John Wiley and Sons; (F) Photograph of multimodal human-computer interaction using an optoelectronic multimodal sensor; (G) Relative rates of change in intensity, capacitance, and resistance during the interaction with multiple stimuli existing simultaneously. Reproduced with permission^[201]. Copyright 2023, John Wiley and Sons. POF: Polymer optical fiber; MMP: matrix metalloproteinase; QDs: quantum dots.