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. 2023 May 24;23(11):5021. doi: 10.3390/s23115021

Figure 11.

Figure 11

Scheme of the structure of an organic DFB laser, the grating consists of a photo-resist (PR) layer deposited on an active layer (AF) prepared on a fused silica (FS) substrate. © Springer Nature. Copyright 2019 Scientific Reports.