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机译:Phase-only optical encryption based on the zeroth-order phase-contrast technique
State University of Londrina, Department of Electrical Engineering, Rodovia Celso Garcia Cid, km 380, Londrina Parana, 86051-990, Brazil;
University of Sao Paulo, Department of Electrical Engineering, Av. Dr. Carlos Botelho 1465, Sao Carlos, Sao Paulo, 13560-970, Brazil;