Ultrafast acoustics in the middle UV range: coherent phonons at higher frequencies and in smaller objects

S. Ayrinhac; A. Devos; A. Le Louarn; P.-A. Mante; P. Emery

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Ultrafast acoustics in the middle UV range: coherent phonons at higher frequencies and in smaller objects

机译：中紫外范围内的超快声学：相干声子在较高频率和较小物体中

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We show that the propagation of coherent acoustic phonons generated by femtosecond optical excitation can be clearly resolved using a probe laser in the middle UV (MUV) range. The MUV probe is easily produced from a high-repetition-rate femtosecond laser and a homemade frequency tripler. We present various experimental results that demonstrate efficient and high frequency detection of acoustic phonons. Thus, we show that the MUV range offers a unique way to reach higher frequencies and probe smaller objects in ultrafast acoustics.

机译：我们表明，由飞秒光学激发产生的相干声子的传播可以使用中紫外（MUV）范围内的探测激光器来清楚地解决。 MUV探头很容易由高重复率的飞秒激光器和自制的三倍频器制成。我们提出了各种实验结果，这些结果证明了声子的有效和高频检测。因此，我们证明了MUV系列提供了一种独特的方式来达到更高的频率并以超快的声音探测较小的物体。

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《Optics Letters》 |2010年第20期|共3页
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S. Ayrinhac; A. Devos; A. Le Louarn; P.-A. Mante; P. Emery;
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1. Ultrafast acoustics in the middle UV range: coherent phonons at higher frequencies and in smaller objects [J] . S. Ayrinhac, A. Devos, A. Le Louarn, Optics Letters . 2010,第20期

机译：中紫外范围内的超快声学：相干声子在较高频率和较小物体中
2. Generation of high-frequency coherent acoustic phonons in superlattices under hopping transport. I. Linear theory of phonon instability - art. no. 085303 [J] . Glavin BA., Kochelap VA., Linnik TL., Physical Review, B. Condensed Matter . 2002,第8期

机译：跳跃传输下超晶格中高频相干声子的产生。 I.声子不稳定性的线性理论-艺术。没有。 085303
3. Generation of high-frequency coherent acoustic phonons in superlattices under hopping transport. II. Steady-state phonon population and electric current in generation regime - art. no. 085304 [J] . Glavin BA., Kochelap VA., Linnik TL., Physical Review, B. Condensed Matter . 2002,第8期

机译：跳跃传输下超晶格中高频相干声子的产生。二。稳态声子的数量和发电方式中的电流-艺术。没有。 085304
4. Coherent acoustic and optical phonons in laser-excited solids studied by ultrafast time-resolvedX-ray diffraction [C] . U. Shymanovich, M. Nicoul, W. Lu, International Conference on High-Power Laser Ablation . 2010

机译：通过超快时间析出X射线衍射研究激光激发固体中的相干声学和光学声音
5. Study of Nanoscale Phonon Dynamics using Ultrafast Coherent Extreme Ultraviolet Beams. [D] . Li, Qing. 2011

机译：使用超快相干极紫外光束的纳米声子动力学研究。
6. Coherent Phonon Transport Measurement and Controlled Acoustic Excitations Using Tunable Acoustic Phonon Source in GHz-sub THz Range with Variable Bandwidth [O] . Xiaohan Shen, Zonghuan Lu, Yukta P. Timalsina, -1

机译：使用可调带宽的GHz-sub THz范围内的可调声子源进行相干声子传输测量和受控声激发
7. Imaging Coherent Acoustic Phonons in LaFeAsO with Ultrafast Electron Microscopy [O] . Ryan A. Gnabasik, Pranav K. Suri, David J. Flannigan 2018

机译：具有超快电子显微镜的Lafeaso中的成像相干声学声子
8. A Mobile Coherent Low-Frequency Acoustic Range. [R] . Spindel, R. C., Porter, R. P., Webb, D. C. 1976

机译：移动相干低频声学范围。

Ultrafast acoustics in the middle UV range: coherent phonons at higher frequencies and in smaller objects

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