Dispersion compensating fiber and its manufacturing method

Details Dispersion compensating fiber and its manufacturing method Dispersion compensating fiber and its manufacturing method

H - Electricity

04

B

H04B 10/18 (2006.01) C03B 37/012 (2006.01) C03B 37/014 (2006.01)

Patent

CA 2207506

A dispersion compensating fiber is provided which is capable of reducing the birefringence of the core caused in spinning to suppress an increase in polarization mode dispersion due to the birefringence of the core even though the surface of the core rod is ground to shape the profile of the core during manufacturing. A silica glass cladding 2 doped with fluorine is disposed to surround a silica glass core 1 doped with germanium. The variation in circumferential concentration of germanium at the periphery of the core 1 is set at 0.05% or smaller in relative refractive index difference value.

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