Few mode optical fibers for mode division multiplexing

An optical fiber comprising: (i) a core (20) having a refractive index profile; (ii) an annular cladding (50) surrounding the core; (iii)a primary coating (62) contacting and surrounding the cladding, the primary coating having an in situ modulus of less than 0.35 MPa and an in situ glass transition...

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Bibliographic Details
Main Authors BICKHAM SCOTT ROBERTSON, KOROLEV ANDREY EVGENIEVICH, NAZAROV VLADIMIR NIKOLAEVICH, KUKSENKOV DMITRI VLADISLAVOVICH, BENNETT KEVIN WALLACE
Format Patent
LanguageChinese
English
Published 23.07.2014
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
TRANSMISSION
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Summary:An optical fiber comprising: (i) a core (20) having a refractive index profile; (ii) an annular cladding (50) surrounding the core; (iii)a primary coating (62) contacting and surrounding the cladding, the primary coating having an in situ modulus of less than 0.35 MPa and an in situ glass transition temperature of less than -35 DEG C; and (iv) a secondary coating (64) surrounding the primary coating, the secondary coating having an in situ modulus of greater than 1200 MPa; wherein the refractive index profile of said core is constructed to provide few mode transmission with an LP 11 theoretical cutoff wavelength greater than 2.0 muiotaeta and an effective area greater than 110 microns for the LP01 mode at 1550 nm.
Bibliography:Application Number: CN201280043916