Fiber optic ultrasound generator using periodic gold nanopattern fabricated by focused ion beam

Ye Tian; Nan Wu; Xiaotian Zou; Xingwei Wang

doi:10.1117/12.2012163

16 April 2013 Fiber optic ultrasound generator using periodic gold nanopattern fabricated by focused ion beam

Ye Tian, Nan Wu, Xiaotian Zou, Xingwei Wang

Proceedings Volume 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013; 86942E (2013) https://doi.org/10.1117/12.2012163
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

Ultrasound generation on optical fiber based on photoacoustic principle is a promising approach for many advanced ultrasonic applications, which require wide bandwidth and compact size in order to achieve high resolution as well as the capability of being operated in limited space. This paper reports a fiber optic photoacoustic ultrasound generator using gold nanopattern. The gold nanopattern with high absorption efficiency was fabricated using focused ion beam (FIB) on the fiber endface, which was excited by a nanosecond laser to generate ultrasound signals via the photoacoustic principle. Experimental results demonstrated that ultrasound signals can be generated by this approach and the fiber optic ultrasound generator can be used in the advanced ultrasonic applications.

Citation Download Citation

Ye Tian, Nan Wu, Xiaotian Zou, and Xingwei Wang "Fiber optic ultrasound generator using periodic gold nanopattern fabricated by focused ion beam", Proc. SPIE 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013, 86942E (16 April 2013); https://doi.org/10.1117/12.2012163

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