Resolved forward Brillouin scattering in optical fibers
- 4 March 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 54 (9) , 939-942
- https://doi.org/10.1103/physrevlett.54.939
Abstract
Forward light scattering by the thermally excited acoustic eigenmodes of an optical fiber produce numerous narrow lines not predicted by the bulk-interaction theory of Brillouin scattering. Optical heterodyne detection has been used to resolve the scattering spectrum which begins at about 20 MHz and extends to the detection limit.Keywords
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