Vibration motions studied by Heterodyne Holography
Fadwa Joud (LKB - Lhomond), Fr\'ed\'eric Verpillat (LKB - Lhomond),, Pierre-Andr\'e TAILLARD, Michael Atlan, Nicolas Verrier (L2C), Michel Gross, (L2C)
TL;DR
This paper explores the use of heterodyne holography for detailed vibration analysis, enabling imaging of vibration sidebands and phase-sensitive stroboscopic measurements.
Contribution
It introduces a method that combines amplitude, phase, and frequency control in heterodyne holography for advanced vibration analysis.
Findings
Effective imaging of vibration sidebands
Sensitive phase measurement with stroboscopy
Enhanced vibration analysis capabilities
Abstract
Playing with amplitude, phase and frequency of both reference and signal arms, heterodyne holography is well adapted to vibration analysis. Vibration sidebands can be imaged and stroboscopic measurement sensitive to mechanical phase can be made
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