Laser-radar-based vibration imaging of remote objects

Peter Lutzmann; Richard Frank; Reinhard R. Ebert

doi:10.1117/12.397814

5 September 2000 Laser-radar-based vibration imaging of remote objects

Peter Lutzmann, Richard Frank, Reinhard R. Ebert

Proceedings Volume 4035, Laser Radar Technology and Applications V; (2000) https://doi.org/10.1117/12.397814
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

The technique of laser vibrometry is used to generate vibration images, i.e. data cubes where the target vibration amplitude distribution across the target, for a given vibration frequency, is mapped onto the x-y-plane, and frequency varies along the z-direction. Sample vibration images were taken by laser radars at (lambda) equals 10.6 micrometer (CO₂ laser) and (lambda) equals 1.54 micrometer (erbium fiber laser) at ranges over 1 km. The first ever taken vibration images of motorized vehicles at such distances will be presented. Vibration imagery offers new possibilities for target classification, and for investigating and monitoring vibration behavior of large scale structures. Experimental and theoretical comparisons of laser vibrometry techniques with and without spatial resolution capability will be presented.

Citation Download Citation

Peter Lutzmann, Richard Frank, and Reinhard R. Ebert "Laser-radar-based vibration imaging of remote objects", Proc. SPIE 4035, Laser Radar Technology and Applications V, (5 September 2000); https://doi.org/10.1117/12.397814

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