Laser Interferometer

Laser Doppler Vibrometer

Laser Doppler vibrometry is an optical method for non-contact measurement of vibrations. Modern laser Doppler vibrometers (LDV) measure mechanical vibrations with the highest precision. No other technology enables vibration measurements with comparable frequency range, sensitivity and resolution along with flexibility in stand-off and working distances. This makes LDV the unbeatable instrument of choice when it comes to fast and precise vibration measurements.

measurement principle laser doppler vibrometer

Measurement Principle

measurement principle laser vibrometer

Working Principle of a Laser Doppler Vibrometer

Doppler Effect, Interferometry and Demodulation

From the Laser Beam to the Vibrational Parameters


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laser sources laser doppler vibrometer

Laser Source

laser sources laser vibrometer

Typical Laser-beam Sources of a Vibrometer

Helium-Neon or Infrared Laser - Differences and Scope

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digital signal processing laser doppler vibrometer

Signal Processing

digital signal processing laser vibrometer

Digital Processing of the Measurement Data

From Raw Data to Physical Vibration Information

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Ein Laser Vibrometer im Einsatz, welcher eingeschaltet einen Grünen Laser erzeugt und auf einen Spiegel ausgerichtet ist, welcher diesen auf andere Objekte reflektiert.

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