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. 2024 May 15;14:11110. doi: 10.1038/s41598-024-61330-w

Figure 7.

Figure 7

Micro-optic coupling (left) showing lenses and ceramic PCB recess; the ceramic PCB is placed within the header recess either with passive or active alignment and fixed with glue. The photograph (right) also shows the two lenses for each VCSEL.