![]() ![]() ![]() ![]() Q-Control modifies the Q factor of a resonator by providing a feedback signal that compensates for losses that occur during an oscillating cycle - therefore increasing the decay time of an oscillation - or by introducing losses - therefore reducing the decay time of the oscillation. Zurich Instruments' Q-Control Example VI, which can be found in the Zurich Instruments LabVIEW APIs example folder.Zurich Instruments HF2LI-MF Multi-Frequency option.Zurich Instruments HF2LI-PID Quad PID controller option.This can be useful to increase phase sensitivity in a phase-locked loop (PLL) setup, for example, or to increase the characteristic frequency of a cantilever to enable faster responses. Using a Zurich Instruments lock-in amplifier, you can measure the quality factor of an arbitrary resonator - typically a resonant beam used in non-contact atomic force microscopy (NC-AFM) applications. Non-Contact Atomic Force Microscopy (NC-AFM) Multi-Frequency Atomic Force Microscopy (MF-AFM) Tunable Diode Laser Absorption Spectroscopy Magnetometry with Ensembles of NV Centers Quantum Computing with Superconducting Qubits ![]()
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