Fig. 3: Tunable resonant responses.
From: Optomechanical sensor network with fiber Bragg gratings
a Responses of the FOMM under different bias magnetic fields. Inset: Finite-element modeling of mechanical resonant eigenmodes of the Terfenol-D and fiber MRs. b Resonant frequency shifts of the Terfenol-D and fiber MRs as a function of bias magnetic fields. c AC sensitivity Bmin under different bias magnetic fields. d α and Qm as a function of bias magnetic fields.
