PULSED HOLOGRAPHIC ANALYSIS OF LARGE VIBRATING VEHICLE COMPONENTS
Double-pulsed holography provides a measurement technique for the analysis of large surface areas of vibrating components. A particular advantage of holography is that it requires no contact with the vibrating object, and it gives a solution to a classical problem in the area of both acoustic and vibration analysis. The surface of a vibrating object is represented by a series of fringes which connect points that have equal amplitudes of displacement. Since holography is based on interferometry, the accuracy is within a fraction of the wavelength of light.
Army Tank-Automotive Res & Development CommandWarren, MI USA
- Gerhart, G R
- Arutunian, G
- Publication Date: 1978-6
- Pagination: 14 p.
- TRT Terms: Acoustic measuring instruments; Acoustics; Holography; Interferometers; Interferometry; Laser beams; Lasers; Optical instruments; Photography; Vibration
- Uncontrolled Terms: Image resolution
- Old TRIS Terms: Acoustic measurement; Fabry perot interferometers; Photographic analysis; Pulsed lasers; Q switching; Ruby lasers
- Subject Areas: Design; Railroads;
- Accession Number: 00185481
- Record Type: Publication
- Source Agency: National Technical Information Service
- Files: TRIS
- Created Date: Dec 29 1979 12:00AM