Multi-wavelength stacked fluorescent data memory and device fabrication and reading method
A data storage and multi-wavelength technology, which is applied in the field of optical information storage, can solve problems such as interference and technical difficulties, and achieve high signal-to-noise ratio, which is conducive to fast and stable reading and good stability.
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[0037] Attached below figure 1 and figure 2 The technical scheme of the present invention is described in detail:
[0038] The idea of the present invention is to use incident laser light to irradiate the information layer to be read in the fluorescent memory, and generate a fluorescent signal when the fluorescent medium in the groove of the information bit on the information layer absorbs energy. The fluorescent signal, because it is different from other wavelengths, finally uses a filter in the CCD detector to filter out wavelengths other than the fluorescent wavelength excited by the information layer to be read, so as to ensure that the CCD receives only the fluorescent signal from the information layer to be read.
[0039] The structure of the fluorescent memory device of the present invention is as follows figure 1 As shown, it includes an incident laser 1, a CCD detector 2, a multi-wavelength filter 3, and an information layer 4 coated with a fluorescent fluorescen...
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