Polarization-retaining single-mode optical waveguide

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350 9633, G02B 5172

Patent

active

045497818

ABSTRACT:
Disclosed is an optical fiber for operating single polarization, single-mode at wavelength .lambda.. The fiber core is surrounded by cladding having the refractive index lower than the average refractive index of the core. The core is characterized in that it comprises a plurality of transparent laminae, each having a refractive index different from that of the adjacent laminae. The thickness of each laminae is equal to or less than wavelength .lambda..

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