Laser Doppler Vibrometry

Laser Doppler vibrometry is an optical technique for non-contact measurement of vibrations. Modern laser Doppler vibrometers record mechanical vibrations with highest accuracy. No other technology available comes close to laser Doppler vibrometry in terms of frequency bandwidth, sensitivity and resolution.

Measurement Principle

Doppler effect, interferometry and demodulation - From the laser beam to the vibrational parameters


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Laser source

Helium-Neon or infrared laser - Differences and scope

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Signal processing

From raw data to physical vibration information

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