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(a) Schematic circuit diagram of room temperature microwave near-field system including dual microwave and optical excitation and readout techniques. (b) Photo of overall system inside vacuum chamber mounted on antivibration table.
Amplitude vs frequency plot. Full line is a least-squares Lorentzian fit to the amplitude vs frequency data. Inset is a Scanning Electron Microscope (SEM) image of one Si cantilever resonator.
Experimental confirmation of distance dependence of microwave near-field force on cantilever. Open circles are experimental data and solid line is the fit to Eq. (2) (see Ref. 6).
Cantilever resonance frequency as a function of microwave frequency at a range of power levels.
Experimental results on cantilever passive cooling by microwaves. (a) Plot of the cantilever frequency shift from 10.3055 kHz (filled squares) and damping rate (open circles) for the cantilever resonance as a function of microwave drive frequency at fixed drive power. (b) Effective temperature vs microwave frequency.
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