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Basic principles of laser Doppler vibrometry

Basic principles of laser Doppler vibrometry

Laser vibrometry or more specific laser Doppler vibrometry is a precision optical measurement technology used for determining vibrational velocity and displacement at a fixed point. The laser Doppler vibrometry is a non-contact technology with unrivalled precision based on the Doppler-effect, using the frequency shift of back scattered light from a moving object surface. Learn more about laser vibrometry, the working principle, the laser interferometer setup and its diverse applications and use in nature and technology.

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