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A system for holographic interferometry using bacteriorhodopsin films as an erasable optical recording medium is presented. Bacteriorhodopsin is a photochromic protein found in archaebacteria. Bacteriorhodopsin films with an aperture of 90x90mm are used for high-resolution lensless recording (5000lines/mm). The holograms are recorded in reflection-type geometry in order to achieve a compact design...
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