Laser Doppler Vibrometer Systems for Remote NVH and Modal Testing
Capture NVH, modal and structural-dynamics data remotely with laser Doppler vibrometry—using 65 or 128 simultaneous measurement points—without placing contact sensors, routing dense wiring or adding mass to lightweight targets. Ommatidia combines Q-Series Laser RADAR systems with practical test workflows for difficult and access-constrained targets.
Why teams replace slower measurement workflows
Contact vibration testing requires a sensor to be mounted, wired, and prepared at every measurement point. Remote laser vibrometry captures many points from a distance, reducing setup effort while preserving the target’s natural response. Explore laser vibrometry fundamentals.
Parallel 65- or 128-point capture moves teams from setup to full-field vibration insight with fewer bottlenecks—helping NVH and modal campaigns reach useful decisions faster.
Go beyond motion: 3D vectors and strain
See how full-field velocity data from multiple views supports richer structural interpretation.
Reduce setup
Less mounting. Faster test setup.
Difficult targets
Measure targets sensors cannot reach.
Faster testing
From setup to useful data—faster.
Clearer insight
Make better NVH and modal decisions.
Built for demanding engineering environments
Remote test setup
Position the measurement workflow around the target instead of instrumenting every point manually.
Surface and access constraints
Evaluate fit where reflectivity, geometry, or access makes conventional setup harder.
Engineering-first review
Use a focused technical conversation to validate whether the workflow matches your test environment.
See what remote vibrometry could change in your test
Tell us the target, standoff distance, frequency range, and data output you need. We’ll map a practical remote laser vibrometry workflow for your test.
How the measurement workflow works
1. Define the target
Clarify the structure, operating condition, and measurement objective.
2. Capture remotely
Acquire vibration data without contact instrumentation burden.
3. Review the data
Interpret results for NVH, modal, or structural analysis.
4. Decide next steps
Use findings to accelerate engineering decisions and test planning.
Common use cases
Use this page to decide whether Ommatidia should be part of your next technical evaluation for vibration, NVH or modal testing. Compare Laser RADAR and scanning LDV when the method is not yet fixed, then review the vibrometry and inspection application briefs for deeper examples.
Automotive NVH
Capture full-field body-panel, glazing, trim, and subassembly response without dense accelerometer wiring or added mass.
Modal testing
Capture mode shapes, spectra, and spatial response with less point-by-point scanning and preparation.
R&D validation workflows
Evaluate difficult, lightweight, hot, or access-constrained targets without changing the test with contact instrumentation.
Questions teams usually ask first
Remote laser vibrometry measures vibration without mounting a sensor at every point. Q2 configurations acquire 65 or 128 optical channels simultaneously, reducing cabling, setup time and added mass while providing dense spatial response. Accelerometers can still supply local references or cover positions without usable optical return.
Q2 can be evaluated for low-reflectivity and access-constrained work, but success is not automatic. Surface return, angle, distance, motion range, line of sight, environment and required uncertainty must be checked on a representative target before the measurement plan is fixed.
Typical candidates include automotive NVH, modal testing, operating-deflection-shape studies, rotating or lightweight components, and structural validation. The method is most valuable when non-contact access, simultaneous spatial coverage or lower instrumentation effort changes the test decision.
Scoping starts when the target, stand-off distance, frequency and motion range, required coverage, event repeatability and output are known. Timing then depends on target access, representative evidence and test complexity; a technical review should define feasibility and the measurement plan before a schedule is promised.
Provide the target and geometry, access and line-of-sight constraints, surface behaviour, operating condition, frequency and motion range, required points or area, simultaneous-event needs, reference or trigger channels, output format and the engineering decision the data must support.
Yes. Use a representative target and agree success criteria in advance, including usable coverage, signal quality, frequency and motion range, repeatability and required data output. The result can support system selection, but it applies to the tested conditions and agreed configuration.
Choose your Q-Series system with confidence
Compare QMini, Q1S, Q1 and Q2
Match the measurement range, channel count, geometry needs, and workflow to the Q-Series system that fits your test.
Laser vibrometry fundamentals
Understand the Doppler and vibration-testing context behind the measurement approach.
Full-field modal analysis
See how a complete non-contact modal workflow can move from capture to interpretation.
Application briefs
Explore additional vibrometry, metrology, and inspection examples.
See whether this fits your measurement workflow
Choose an application route
Move from vibration requirements to the right evidence
Choose the application evidence or platform route that best matches the structure, component or test environment.
Q2 for full-field vibrationExplore dense, synchronised vibration and geometry measurement.Explore 
Qmini for single-beam LDVExplore a focused single-point vibrometry workflow.Explore Automotive NVH testingReview the car-body and component vibration route.Explore 
Bridge structural monitoringReview remote vibration, deflection and modal-response measurement.Explore 
Space measurement applicationsReview the route for constrained aerospace test and deployment environments.Explore