. 2019 Nov 4;9(61):35878–35886. doi: 10.1039/c9ra06859g

Performance of FBG sensors in terms of magnetic field detection.

Detection mechanism	Ferrofluid/nanoparticle	Detection range	Sensitivity	Ref.
Wavelength shift	Fe₃O₄	0–25 mT	86 pm/25 mT (no linear behavior)	23
Intensity of reflected power	EMG 605	0–14 mT	1470 nW mT⁻¹	24
Wavelength shift	EMG 705	0–32 mT	106 pm/35 mT (no linear behavior)	25
Wavelength shift	Fe₃O₄	0–166 mT	7400 pm/166 mT (no linear behavior)	26
Cladding mode intensity	Ferromagnetic particles	7–15 mT	−0.78 dB mT⁻¹	27
Wavelength shift	Fe₃O₄ < 10 nm	0–0.06 mT	1009 pm mT⁻¹	Current study