Fig. 1. (a) Geometry schematic of Li et al.’s model and (b) FEM calculated acceleration sensitivity versus h.

Fig. 2. (a) Double-winding fiber spool and (b) its geometry schematic.

Fig. 3. Optimization algorithm for the double-winding fiber spool.

Fig. 4. FEM calculated acceleration sensitivity versus (a) L1 and L2 (when h1=4.4mm and h2=19.5mm) and (b) h2 (when L1=9mm, L2=6mm, and h1=4.4mm).

Fig. 5. Experimental apparatus for acceleration sensitivity measurements. AOM, acousto-optical modulator; RF, radio frequency.

Fig. 6. Measured (a) axial and (b) radial acceleration sensitivities for different fiber spools.

Fig. 7. Residual acceleration sensitivity of “free fiber”.

Fig. 8. (a) Axial and (b) radial acceleration sensitivities for different winding tensions.