High Speed Surface Acoustic Wave Imaging with Spectral Interferometry

Thomas, Joseph; Xi, Zichen; Ji, Jun; Shi, Guannan; Srijanto, Bernadeta; Kravchenko, Ivan; Yao, Yu; Shao, Linbo; Zhu, Yizheng

doi:10.1364/opticaopen.28477103.v1

High Speed Surface Acoustic Wave Imaging with Spectral Interferometry

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posted on 2025-02-25, 05:32 authored by Joseph Thomas, Zichen Xi, Jun Ji, Guannan Shi, Bernadeta Srijanto, Ivan Kravchenko, Yu Yao, Linbo Shao, Yizheng Zhu

We measure 1 gigahertz surface vibrations with spectral interferometry on a 76 kilohertz linescan camera. The vibrometer has a noise floor of 120 fm/sqrt(Hz) and images a 110 x 210 micron device in 10 minutes.

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DARPA (HR00112320031); DOE (CNMS2022-B-01473,CNMS2024-B-02643)

Preprint ID

120993

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Keywords

interferometry optical vibrometry surface acoustic waves

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Optica Publishing Group Non-Exclusive License

High Speed Surface Acoustic Wave Imaging with Spectral Interferometry

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