Plastic optical fiber

A plastic optical fibre, comprising at least two concentric the/the inner layer of graded structure of optical fibre; the inner layer and the fact a comprising a graded positioning structure according C-H keys amorphous fluoric polymer (a) is; the inner layer of refraction index is lower than the inner layer and refraction index, wherein composed of a lower (1) and (2) fluoric polymer material (c) are: (1) Comprises a same polymerization unit fluoric polymer (d) and a fluoric (a), a (2) fluoric polymer (a) and other end of fluoric polymer (e) set (f).