Figure 2 | Scientific Reports

Figure 2

From: Gecko-inspired self-adhesive packaging for strain-free temperature sensing based on optical fibre Bragg gratings

Figure 2

Impact of (a) thickness and (b) Young modulus of PDMS packaging on strain transfer ratio (ratio between the embedded FBG strain and the strain applied to the PDMS packaging). Comparison between the use of only PDMS without PI capillary (blue curves) and the use of PI capillary embedded into the PDMS packaging (red curves). Inset figures represent a magnified view of the results obtained when using the PI capillary (red curves).

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