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Title: Observation of axial acoustic waves in multimode PMMA optical fibres and implications for a new class of optical fibre sensor
Contributor(s): Ernest, Allan (author); Lamb, David  (author)
Publication Date: 2005
DOI: 10.1088/1742-6596/15/1/045
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Abstract: Observations of axial acoustic waves in multimode polymethylmethacrylate (PMMA) optical fibres are reported. Rapid electrostriction was induced in a 1.25m length of PMMA optical fibre using a pulsed transverse electric field of ~10⁶ V m⁻¹. By observing the effects of birefringence on a polarised laser beam, acoustic waves travelling with a speed of 1050m s⁻¹ were observed to travel between the fibre ends. Simple calculations indicate that these acoustic waves comprised shear waves, although propagation of surface waves could not be ruled out. The implications of these observations in terms of a new class of optical fibre sensors based on the propagation of axial acoustic waves are also discussed.
Publication Type: Journal Article
Source of Publication: Journal of Physics: Conference Series, 15(1), p. 270-275
Publisher: Institute of Physics and IOP Publishing Limited
Place of Publication: Bristol, UK
ISSN: 1742-6596
Field of Research (FOR): 020501 Classical and Physical Optics
Socio-Economic Outcome Codes: 861503 Scientific Instruments
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Science and Technology

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