New optical vibrometer using a self-mixing laser diode is demonstrated experimentally. Peak-to-peak amplitude 20nm-90nm of a piezoelectric transducer (PZT) vibrating at 20kHz was measured with accuracy 2%-17%, and 10% average, while accuracy by simulation about 4%.
New Optical Vibrometer Using a Self-Mixing Laser Diode Modulated with a Ramp Current
01.01.2005
237721 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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