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Phase-sensitive narrowband heterodyne holography

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Figure

FIG. 1: Experimental set-up.
FIG. 3: Magnitude of the FFT-spectrum (Eq. 12 and Eq. 13), where three modulation sidebands are addressed.
TABLE I: Frequency shifts used in the experiments.
FIG. 5: Vibration amplitude z 0 (a) and phase ψ (b) averaged over the first cantilever, arrowed in Fig

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