Realization of fiber-based laser Doppler vibrometer with serrodyne frequency shifting
Laser Doppler vibrometer - Wikipedia
Single-point vibrometers - Polytec
Non-Contact Vibration Sensors: Laser Doppler Vibrometry. Single Point Vibrometers, Scanning and Rotational Vibrometers, Microscope Based Systems, Dynamic Stress and Strain, Software and Accessories.