A laser displacement sensor using the self-mixing effect for modal analysis and defect detection

A low-cost, simple, noncontact displacement sensor using the self-mixing effect inside a cw single-mode laser diode has been developed for modal analysis and defect detection. The resonance frequencies of thin clamped metallic plates have been determined with a resolution of 0.2 Hz. With such target...

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Veröffentlicht in:	IEEE transactions on instrumentation and measurement 1997-08, Vol.46 (4), p.847-850
Hauptverfasser:	Servagent, N., Bosch, T., Lescure, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accelerometers Diode lasers Distortion measurement Exact sciences and technology Frequency measurement Fundamental areas of phenomenology (including applications) Measurement and testing methods Measurement errors Measurement methods and techniques in continuum mechanics of solids Measurement standards Modal analysis Physics Resonance Resonant frequency Solid mechanics Spectral analysis Structural and continuum mechanics
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