Method for manufacturing panda polarization-maintaining optical fiber preform
A polarization-maintaining optical fiber and a technology of a manufacturing method, applied in the field of optical fiber manufacturing
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[0031] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and understandable, the following specific embodiments of the present invention are described in further detail:
[0032] In an embodiment of the present invention, a method for making a Panda polarization-maintaining optical fiber preform includes: making an optical fiber core rod; making a polarization-maintaining stress rod; and fixing two polarization-maintaining stress rods symmetrically on the core rod according to the stress distribution On both sides; the external deposition method is used to deposit the outer cladding on the core rod and the polarization-maintaining stress rod to obtain a preformed rod loose body; the preformed rod loose body is sintered to obtain a polarization-maintaining optical fiber preformed rod with a circular cross section.
[0033] The process of making core rods and polarization maintaining stress rods specifically uses external...
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