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- Title
Noise Characteristics of the Optical Response of Ferrofluids to a Magnetic Field.
- Authors
Prokof'ev, A. V.; Pleshakov, I. V.; Shlyagin, M.; Agruzov, P. M.; Bibik, E. E.; Kuz'min, Yu. I.
- Abstract
The noise generated by different ferrofluid samples when probed by the fiber-optic method has been investigated. It is shown that switching on a magnetic field significantly increases the noise, which is presumably related to fluctuations accompanying the process of aggregate formation. The dependences of the rms noise on the field strength and probe-light intensity have been experimentally determined. A slow decrease in the rms noise after switching off the magnetic field has been found, which indicates relaxation of the aggregates formed by the field.
- Subjects
MAGNETIC fields; MAGNETIC fluids; MAGNETIC control; NOISE; OPTICAL fibers
- Publication
Technical Physics Letters, 2019, Vol 45, Issue 8, p743
- ISSN
1063-7850
- Publication type
Academic Journal
- DOI
10.1134/S1063785019080121