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Optical memoires, reading and writing of such optical memoires, and a device for reading and writing of such memoires
Optical memoires, reading and writing of such optical memoires, and a device for reading and writing of such memoires
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机译：光学回忆录，这种光学回忆录的读写以及用于读写这种回忆录的设备
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摘要
The invention concerns a optical data memory, said memory comprising at least one layer of supporting material, said supporting material including molecules having, in a local zone, a collective state of molecules from at least one first collective state of molecules, and a second collective state of molecules. The invention is characterized in that only molecules having the first collective state of molecules in said local zone are capable of generating a second-harmonic signal when they are excited in said local zone by a reading electromagnetic radiation.
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