NASA NTRS · 19830000707
Phase Modulation Stops Levitated Sample Rotation
Abstract
Rotation of sample in acoustic levitator prevented by relatively simple phase-modulation scheme. Technique differs from older methods; no feedback control or observation of sample required, nor necessary to carefully tune or detune two oscillators to precise frequency differences from resonance.
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Barmatz, M. B., Brown, J. H.. 1984-12-01. Phase Modulation Stops Levitated Sample Rotation. https://ntrs.nasa.gov/citations/19830000707
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