Enhanced responsivity of a flexural disc acceleration sensor based on optical microfiber

Acceleration sensors based on centrally supported carbon-based flexural discs with different microfiber lengths, diameters and spatial configurations are investigated. The technique of spirally wound microfiber for higher packing density is demonstrated. The microfiber used in the designs has diameters of 2 and 10 μm. This allows configurations with small bending radii to be implemented, giving rise to high device compactness and potentially high responsivity.