Contact: Laura Ost
laura.ost@nist.gov
301-975-4034
National Institute of Standards and Technology (NIST)
Caption: In NIST's Einstein-de Haas experiment, the movements of a cantilever were measured with an optical-fiber laser interferometer. The optical fiber is 125 micrometers in diameter, and the end is positioned less than 10 micrometers from the cantilever surface.
Credit: Credit: John Moreland/NIST
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