Development of confocal picosecond ultrasonics for visualizing propagation of an acoustic wave

Nakamura Nobutomo; Maehara Atsushi; Ogi Hirotsugu

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Development of confocal picosecond ultrasonics for visualizing propagation of an acoustic wave

机译：用于可视化声波传播的共聚焦PICOSECOND超声波的开发

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For visualizing propagation of an acoustic wave and evaluating the local sound velocity in microano-meter structures, confocal picosecond ultrasonics is developed. In conventional picosecond ultrasonics, the measurement of local sound velocity was difficult, and macroscopic sound velocity and elastic properties were measured. However, in confocal picosecond ultrasonics, a confocal laser-scanning microscope is embedded in the optics of the picosecond ultrasonics, and the depth resolution is improved. Using the developed optics, we successfully observed propagation of an acoustic wave in thin film. In this paper, the optics we developed and the experimental results on silica film are reported. (C) 2020 The Japan Society of Applied Physics

机译：为了可视化声波的传播并评估微/纳米米结构中的局部声速，开发了共焦皮秒超声波。在传统的皮秒超声中，难以测量局部声速的测量，并测量宏观声速和弹性性能。然而，在共聚焦PICOSECOND超声器中，嵌入了共聚焦激光扫描显微镜在PICOSECOND超声波的光学中，并且深度分辨率得到改善。使用开发的光学器件，我们成功地观察了薄膜中声波的传播。本文报道了我们开发的光学器件和二氧化硅膜的实验结果。（c）2020日本应用物理学会

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来源
《Japanese journal of applied physics》 |2020年第sk期|SKKB04.1-SKKB04.4|共4页
作者
Nakamura Nobutomo; Maehara Atsushi; Ogi Hirotsugu;
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Osaka Univ Grad Sch Engn Sci Toyonaka Osaka 5608531 Japan;

Osaka Univ Grad Sch Engn Sci Toyonaka Osaka 5608531 Japan;

Osaka Univ Grad Sch Engn Suita Osaka 5650871 Japan;

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1. Visualizing coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustics approach [J] . Emanuele Pontecorvo, Michele Ortolani, Dario Polli, Applied Physics Letters . 2011,第1期

机译：可视化100 GHz范围内的相干声子传播：宽带皮秒声学方法
2. Comment on "Visualizing coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustic approach" [Appl. Phys. Lett. 98, 011901 (2011)] [J] . E. Courtens, B. Ruffle, M. Foret, Applied Physics Letters . 2011,第24期

机译：评论“可视化相干声子在100 GHz范围内的传播：宽带皮秒声学方法”物理来吧98，011901（2011）]
3. Response to "Comment on 'Visualizing coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustic approach'" [Appl. Phys. Lett. 98, 246101 (2011)] [J] . E. Pontecorvo, C. Ferrante, M. Ferretti, Applied Physics Letters . 2011,第24期

机译：对“关于'可视化相干声子在100 GHz范围内传播：宽带皮秒声学方法”的评论”物理来吧98，246101（2011）]
4. Visualizing Coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustics approach [C] . Ferrante, C. CLEO;Conference on Lasers and Electro-Optics . 2012

机译：可视化100 GHz范围内的相干声子传播：宽带皮秒声学方法
5. A study of different ultrasonic stroboscopes and their usefulness for the study of wave propagation and acoustic birefringence. [D] . Gessert, Walter L. 1954

机译：研究不同的超声频闪仪及其在波传播和声双折射研究中的实用性。
6. Topology Optimization-Based Damage Identification Using Visualized Ultrasonic Wave Propagation [O] . Kazuki Ryuzono, Shigeki Yashiro, Hiroto Nagai, 2020

机译：基于可视化超声波传播的基于拓扑优化的损伤识别
7. Response to "Comment on 'Visualizing coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustic approach'" Appl. Phys. Lett. 98, 246101, (2011) [O] . Emanuele Pontecorvo, C. Ferrante, M. Ferretti, 2011

机译：对“关于'可视化相干声子在100 GHz范围内传播：宽带皮秒声学方法”的评论”物理来吧98，246101，（2011）
8. Study of Anisotropy of Acoustic Wave Propagation in Stretched Poly(vinylidene difluoride) Film Using the Picosecond Transient Grating Technique. [R] . Burzynski, R., Pang, Y., Rao, D. N., 1989

机译：用皮秒瞬态光栅技术研究拉伸聚偏二氟乙烯膜中声波的各向异性。

Development of confocal picosecond ultrasonics for visualizing propagation of an acoustic wave

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