Ultrasensitive Non-Resonant Detection of Ultrasound with Plasmonic Metamaterials

被引：54

作者：

Yakovlev, Vladislav V. ^{[2
]}

Dickson, Wayne ^{[1
]}

Murphy, Antony ^{[3
]}

McPhillips, John ^{[3
]}

Pollard, Robert J. ^{[3
]}

Podolskiy, Viktor A. ^{[4
]}

Zayats, Anatoly V. ^{[1
]}

机构：

[1] Kings Coll London, Dept Phys, London WC2R 2LS, England

[2] Texas A&M Univ, Dept Biomed Engn, College Stn, TX 77843 USA

[3] Queens Univ Belfast, Ctr Nanostruct Media, Belfast BT7 1NN, Antrim, North Ireland

[4] Univ Massachusetts, Dept Phys & Appl Phys, Lowell, MA 01854 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 16期

基金：

美国国家科学基金会; 英国工程与自然科学研究理事会;

关键词：

ultrasound sensors; plasmonic metamaterials; photoacoustics; PHOTOACOUSTIC MICROSCOPY; PRESSURE MEASUREMENTS; COMPUTED-TOMOGRAPHY; FILM; GENERATION; RESONANCE;

D O I：

10.1002/adma.201300314

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Optical sensors for ultrasound detection provide high sensitivity and bandwidth, essential for photoacoustic imaging in clinical diagnostics and biomedical research. Implementing plasmonic metamaterials in a non-resonant regime facilitates sub-nanosecond, highly sensitive detectors while eliminating cumbersome optical alignment necessary for resonant sensors.

引用

页码：2351 / 2356

页数：6

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