Figure 2 | Scientific Reports

Figure 2

From: Inscribing diffraction grating inside silicon substrate using a subnanosecond laser in one photon absorption wavelength

Figure 2

Pulse energy and scanning speed dependence of modified lines inscribed at \(d=60\) \(\upmu \hbox {m}\). Pulse energy was (a) 8.8 \(\upmu \hbox {J}\), (b) 6.6 \(\upmu \hbox {J}\), (c) 4.4 \(\upmu \hbox {J}\), and (d) 2.2 \(\upmu \hbox {J}\). In each panel, scanning speed was 30, 50, and 70 \(\upmu \hbox {m}/\hbox {s}\) from top to bottom.

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