Fig. 1. Schematic of graphene nanoelectromechanical system. (a) Optical excitation and optical detection; (b) electrical excitation and electrical detection

Fig. 2. Resonant peak of typical graphene nanoelectromechanical system[21]

Fig. 3. Application diagram of graphene nanoelectromechanical system. (a) Acoustic detection of graphene nanoelectromechanical system[29]; (b) thermal radiation detection of graphene nanoelectromechanical system[16]

Fig. 4. Flow chart for fabrication of graphene nanoelectromechanical system on fiber. (a) PMMA/graphene/Cu suspended on FeCl3 solution surface[12]; (b)PMMA/graphene film transferred to silica capillary end face; (c) acetone used to dissolve PMMA polymers; (d) silica capillary end face covered with graphene film only

Fig. 5. All-fiber system for excitation and testing of graphene nanoelectromechanical systems[12] (inset: F-P cavity formed by fiber end face and graphene in ceramic sleeve)

Fig. 6. Application diagram of all-fiber graphene nanoelectromechanical system. (a) Current sensor based on all-fiber graphene nanoelectromechanical system[36]; (b) resonant frequency versus I2; (c) magnetic field sensor based on all-fiber graphene nanoelectromechanical system[21]; (d) resonant frequency versus magnetic field intensity