Figure 2 | Scientific Reports

Figure 2

From: WS2 mode-locked ultrafast fiber laser

Figure 2

(a) Photograph of the D-shaped fiber coated with WS2, the middle and down images show the D-shaped fiber before and after injecting 632.8 nm laser and the upward image shows the zoom-in image of D-shaped fiber; (b) nonlinear transmission of D-shaped fiber WS2 SA; (c) WS2-PVA film attached on the facet of fiber connector; (d) nonlinear transmission of WS2-PVA film.

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