Acoustic detection of microbubble formation in enhanced optical breakdown of silver/dendrimer nanocomposites

J. Ye, T. Norris, L. Balogh, J. Baker, S. M. Milas, K. Hollman, S. Emelianov, M. O’Donnell
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引用次数: 16

Abstract

We utilize a real-time acoustic technique, based on pulse-echo measurements to detect formation of microbubbles in an aqueous solution of a silver/dendrimer nanocomposite ~DNC!. Wave-field plots of successive recordings illustrate the generation and behavior of bubbles created by the optical breakdown process. A significant threshold reduction is achieved with DNC particles compared to its host dendrimer, enabling a diverse field of low-threshold breakdown applications. © 2003 American Institute of Physics. @DOI: 10.1063/1.1544657#
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银/树状聚合物纳米复合材料增强光学击穿中微泡形成的声学检测
我们利用基于脉冲回波测量的实时声学技术来检测银/树状聚合物纳米复合材料(DNC!)水溶液中微泡的形成。连续记录的波场图说明了由光学击穿过程产生的气泡的产生和行为。与宿主树状大分子相比,DNC颗粒的阈值显著降低,从而实现了低阈值击穿应用的多样化领域。©2003美国物理研究所。@DOI: 10.1063/1.1544657 #
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