Fig. 4: Selected scanning electron microscope (SEM) images of the nanoprinted periodic structures realized on the end face of the MCF introduced at the beginning of the work. | Nature Communications

Fig. 4: Selected scanning electron microscope (SEM) images of the nanoprinted periodic structures realized on the end face of the MCF introduced at the beginning of the work.

From: Fiber-based angular demultiplexer using nanoprinted periodic structures on single-mode multicore fibers

Fig. 4

a, b Oblique and front views of the functionalized fiber end faces showing the printed structures at the location of the respective core. The cyan elements in (b) indicate the triangular arrangement of cores and gratings. c, d Oblique and front view of one selected nanoprinted periodic structure. Note that all structures are located on solid bases that were printed simultaneously, allowing to compensate for potential tilt of the fiber.

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