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. 2020 Jul 21;20(14):4054. doi: 10.3390/s20144054

Figure 15.

Figure 15

Schematic diagrams of the sub-wavelength gratings and the optical MEMS accelerometer developed by Carr and Keeler et al. at Sandia National Laboratory and Symphony Acoustics [69,70,71]: (a) cross section of laterally deformable sub-wavelength grating ([Reprinted] with permission from ref [65] © The Optical Society); (b) SEM of fabricated optical MEMS accelerometer.