NASA NTRS · 19730000075
Vibration measurement by pulse differential holographic interferometry
Abstract
Technique measures structural deformation of materials subjected to wide range of temperatures and other environmental conditions. Effects of convection currents are eliminated by operating a pulsed laser in double pulse mode that exposes hologram twice in quick succession.
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Evensen, D. A., Aprahamian, R.. 1973-03-01. Vibration measurement by pulse differential holographic interferometry. https://ntrs.nasa.gov/citations/19730000075
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