Multi-dimensional optical storage method using polyacrylonitrile as optical storage medium
An optical storage medium, polyacrylonitrile technology, applied in the field of optical storage, can solve problems such as high power consumption, large power consumption, and large space occupation, and achieve the effect of reducing performance requirements, system costs, and performance requirements
Pending Publication Date: 2022-04-01
HUAZHONG UNIV OF SCI & TECH
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Abstract
The invention belongs to the field of optical storage, and discloses a multi-dimensional optical storage method using polyacrylonitrile as an optical storage medium, and the polyacrylonitrile can be used as the optical storage medium. According to the invention, polyacrylonitrile is used as an optical storage medium for optical storage for the first time, and when storage data is written into polyacrylonitrile, the required laser energy is obviously lower than the energy required by fused quartz processing, so that the performance requirement of a multi-dimensional optical storage system on a femtosecond laser can be greatly reduced, and the system cost is effectively reduced. Moreover, the invention also provides two optimized modified structures for laser processing, namely a microporous structure and an anisotropic structure, which are designed as storage units and can be flexibly applied.
Application Domain
Optical beam sourcesRecord information storage +3
Technology Topic
Erbium lasersOptical storage +10
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