NASA NTRS · 19730000434
Motion compensator for holographic motion picture camera
Abstract
When reference beam strikes target it undergoes Doppler shift dependent upon target velocity. To compensate, object beam is first reflected from rotating cylinder that revolves in direction opposite to target but at same speed. When beam strikes target it is returned to original frequency and is in phase with reference beam. Alternatively this motion compensator may act on reference beam.
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Kurtz, R. L.. 1973-12-01. Motion compensator for holographic motion picture camera. https://ntrs.nasa.gov/citations/19730000434
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