Coaxial fibers are different from conventional fibers. The index of the inner cladding is higher than that of the core and outer cladding.
环形光纤不同于普通光纤，它的内包层折射率比芯子和外包层都大。
Coaxial fibers are different from conventional fibers. The index of the inner cladding is higher than that of the core and outer cladding.
环形光纤不同于普通光纤，它的内包层折射率比芯子和外包层都大。
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