Preparation method and demodulation method of optical fiber data memory
A technology of data storage and demodulation method, which is applied in the field of preparation of optical fiber data storage, can solve problems such as working in a high temperature environment, optical storage devices cannot be stored, and optical storage is easy to wear, so as to reduce the limitation of the working environment and long-term use Low cost and the effect of expanding usage scenarios
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[0043] The application also provides a method for preparing an optical fiber data storage, comprising the following steps:
[0044] S1, processing the data information to be stored; converting it into the spatial distribution law of the fiber grating array (33) along the fiber axis;
[0045] S2, according to the spatial distribution law of the fiber grating array (33) obtained in S1, write the fiber grating array (33) in the fiber core by using a femtosecond laser.
[0046] In the above step S1, the data information to be stored is processed and converted into data of a unified number system; and then converted into the spatial distribution law of the fiber grating array (33) along the fiber axis according to preset rules.
[0047] In the above step S1, the information data to be stored is analyzed, and the data to be stored is unified into multi-ary system data, such as binary, quaternary, octal, etc.
[0048] Taking binary as an example, the binary sequence is represented b...
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