期刊
APPLIED PHYSICS LETTERS
卷 104, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4873678
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资金
- EPSRC [EP/J010952/1]
- European Research Council [ERC-2012-StG Proposal 310970]
- University College London-Cambridge University Photonic Systems Development Centre for Doctoral Training
- EPSRC [EP/J010952/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J010952/1, 1205028] Funding Source: researchfish
Optical ultrasound transducers were created by coating optical fibres with a composite of carbon nanotubes (CNTs) and polydimethylsiloxane (PDMS). Dissolution of CNTs in PDMS to create the composite was facilitated by functionalisation with oleylamine. Composite surfaces were applied to optical fibres using dip coating. Under pulsed laser excitation, ultrasound pressures of 3.6 MPa and 4.5 mu Pa at the coated end faces were achieved with optical fibre core diameters of 105 and 200 lm, respectively. The results indicate that CNT-PDMS composite coatings on optical fibres could be viable alternatives to electrical ultrasound transducers in miniature ultrasound imaging probes. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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