Fiber-optic ultrasound generator using periodic gold nanopores fabricated by a focused ion beam

Ye Tian; Nan Wu; Xiaotian Zou; Haitham Felemban; Chengyu Cao; Xingwei Wang

doi:10.1117/1.OE.52.6.065005

20 June 2013 Fiber-optic ultrasound generator using periodic gold nanopores fabricated by a focused ion beam

Ye Tian, Nan Wu, Xiaotian Zou, Haitham Felemban, Chengyu Cao, Xingwei Wang

Author Affiliations +

Optical Engineering, Vol. 52, Issue 6, 065005 (June 2013). https://doi.org/10.1117/1.OE.52.6.065005

Abstract

Ultrasound generation from an optical fiber, based on the photoacoustic principle, is a promising approach to many ultrasonic applications, specifically those requiring wide bandwidth and compact size in order to achieve high resolution as well as the capability of being operated in limited space. A fiber-optic ultrasound generator using gold nanopores is reported. The gold nanopores, having high absorption efficiency, were fabricated using a focused ion beam (FIB) on the fiber endface, which was excited by a nanosecond laser in order to generate ultrasound signals via the photoacoustic principle. Experimental results demonstrate that these wide bandwidth ultrasound signals can be generated by this compact fiber-optic ultrasound generator fabricated using a FIB.

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Ye Tian, Nan Wu, Xiaotian Zou, Haitham Felemban, Chengyu Cao, and Xingwei Wang "Fiber-optic ultrasound generator using periodic gold nanopores fabricated by a focused ion beam," Optical Engineering 52(6), 065005 (20 June 2013). https://doi.org/10.1117/1.OE.52.6.065005

Published: 20 June 2013

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KEYWORDS

Gold

Ultrasonography

Fiber optics

Photoacoustic spectroscopy

Nanolithography

Absorption

Nanostructures

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CHORUS Article. This article was made freely available starting 20 June 2014

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