Gimbal Scanning Laser Vibrometer for Blade Modal Testing and Analysis
An application guide to gimbal scanning laser vibrometry for blade modal testing, including curved-surface grids, excitation, ODS, OMA, EMA and validation.
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Common Error Sources in Laser Vibrometry: Reflection, Angle, Distance and Environmental Vibration
A troubleshooting guide to laser vibrometer errors caused by optical return, incidence angle, distance, environment, sampling and interpretation.
Non-Contact Laser Vibrometry for Material Damping and Natural Frequency Measurement
How non-contact laser vibrometry supports material damping and natural-frequency measurement, including fixtures, excitation, estimators and reporting.
ODS vs OMA vs EMA: Differences and Application Scenarios
A practical comparison of operating deflection shapes, operational modal analysis and experimental modal analysis, including inputs, outputs and method selection.
Non-Contact Modal Testing: Workflow, Analysis and Applications
A complete workflow for non-contact modal testing, from objectives and point planning to acquisition review, ODS, OMA or EMA analysis and reporting.
How a Laser Doppler Vibrometer Works: Principles and Applications
An engineering explanation of laser Doppler vibrometer principles, signal chain, measured quantities, surface effects and application scenarios.
Gimbal Scanning vs Galvanometer Scanning Laser Vibrometers: Key Differences
A practical comparison of gimbal and galvanometer scanning laser vibrometers covering field of view, speed, stand-off distance, calibration and applications.
Introducing the VIPICO Gimbal Scanning Laser Vibrometer and Modal Analysis System
An engineering overview of the VIPICO gimbal scanning laser vibrometer and modal analysis system for wide-field non-contact vibration measurement.