Improvement in high-speed, large-area, multiple-exposure holography.
The method of encoding more than one large-area hologram on a single recording medium by changing the angle between the object beam and the reference beam between successive exposures is well established. We report an extension of this technique to record over 16 individual large-area holograms on a single emulsion plate by taking advantage of the characteristics inherent in a solution physical developer. The tests were carried out on 8E75-HD holographic plates with a short-pulse ruby laser for high-speed recording. Multiple-image-plane doubled-exposure holographic interferograms were also obtained, and the results are presented.
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Aliaga
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Choi