Fabrication and application of a carbon nanotube/poly(dimethylsiloxane) coated optoacoustic film transducer

被引：7
|
作者：
Fan, Xiaofeng [1 ]
Ha, Kanglyeol [2 ]
Kim, Moojoon [2 ]
Kang, Gwansuk [3 ]
Choi, Min Joo [3 ]
Oh, Junghwan [1 ]
机构：
[1] Pukyong Natl Univ, Dept Biomed Engn, Busan 48513, South Korea
[2] Pukyong Natl Univ, Dept Phys, Busan 48513, South Korea
[3] Jeju Natl Univ, Dept Biomed Engn, Jeju 63243, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 07期
关键词：
D O I：
10.7567/JJAP.57.07LB10
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An optoacoustic film transducer was fabricated by coating carbon nanotubes (CNTs) and poly(dimethylsiloxane) (PDMS) on the surface of a thin flexible optical poly(ethylene terephthalate) (PET) sheet. When a laser pulse was irradiated on the film transducer, a shockwave, with superimposed waves reflected from the surface and the back of the film, was generated. The shockwave had very small pulse widths of 20-30 ns, and the maximum pressure of 5.4 MPa was obtained at 10 mm from the surface of the transducer. A line-focused optoacoustic source was fabricated using the film transducer, and its characteristics were investigated. A very high maximum pressure of about 35 MPa was obtained using the source. It was demonstrated that the source can engrave a line trace on a chalk surface. (C) 2018 The Japan Society of Applied Physics
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页数：3
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