NASA NTRS · 19700000424
Laser method for finding axis of rotation
Abstract
Illumination of rotating surface with laser beam and examination of interference patterns resulting from diffused reflections determines position of axis and direction of motion. Interference patterns are viewed through a lens or recorded on film as circular streaking patterns.
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Massey, G. A.. 1970-12-01. Laser method for finding axis of rotation. https://ntrs.nasa.gov/citations/19700000424
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