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Type: Artigo de periódico
Title: Optical excitation and characterization of gigahertz acoustic resonances in optical fiber tapers
Author: Kang, MS
Brenn, A
Wiederhecker, GS
Russell, PSJ
Abstract: Transverse acoustic resonances at gigahertz frequencies are excited by electrostriction in the few-micrometer-thick waists of low-loss optical fiber tapers of up to 40 cm long. A pump-probe technique is used in which the resonances are excited by a train of optical pulses and probed in a Sagnac interferometer. Strong radially symmetric acoustic resonances are observed and the dependence of their frequencies on taper thickness is investigated. Such easily reconfigurable acousto-optic interactions may have applications in the high-frequency mode locking of fiber lasers. (C) 2008 American Institute of Physics.
Country: EUA
Editor: Amer Inst Physics
Citation: Applied Physics Letters. Amer Inst Physics, v. 93, n. 13, 2008.
Rights: aberto
Identifier DOI: 10.1063/1.2995863
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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