All-optical dynamic analysis of the photothermal and photoacoustic response of a microcantilever by laser Doppler vibrometry
Abstract
Light absorption induced thermoelastic and photoacoustic excitation, combined with laser Doppler vibrometry, was utilized to analyze the dynamic mechanical behavior of a microcantilever. The measured frequency response, modal shapes, and acoustic coupling effects were interpreted in the framework of a simple Bernouilli-Euler model and quantitative 3D finite element method (FEM) analysis. Three opto-mechanical generation mechanisms, each...
Paper Details
Title
All-optical dynamic analysis of the photothermal and photoacoustic response of a microcantilever by laser Doppler vibrometry
Published Date
Dec 1, 2021
Journal
Volume
24
Pages
100299 - 100299
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