Generation of ultrahigh-frequency tunable acoustic waves

被引：30

作者：

Choi, JD ^{[1
]}

Feurer, T ^{[1
]}

Yamaguchi, M ^{[1
]}

Paxton, B ^{[1
]}

Nelson, KA ^{[1
]}

机构：

[1] MIT, Dept Chem, Cambridge, MA 02139 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 87卷 / 08期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2032589

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate versatile generation of ultrahigh-frequency, tunable acoustic waves. A novel retroreflection-based pulse shaper is used to generate optical pulse sequences whose frequency is tunable in the 2-2000 GHz range through movement of a single delay line. Multiple-cycle acoustic waves are detected interferometrically at the back of a 15 nm aluminum transducing film and the back of a film-sample-film assembly configured for narrowband acoustic spectroscopy. (c) 2005 American Institute of Physics.

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页数：3

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