FIBER OPTIC SYSTEM WITH MULTIMODE OPTICAL FIBER CABLES AND FIBER CONNECTIONS WITH MODE-MATCHING SINGLE-MODE FIBER DEVICES
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Oct 10, 2023
filing date -
Apr 30, 2021
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Abstract
Disclosed herein is a fiber optic system including at least one fiber optic cable assembly having a multimode optical fiber for communication of an optical data signal at an operating wavelength and a devices having a single-mode fiber stub with a mode field diameter within 20% of the mode field diameter of the fundamental mode of the multimode optical fiber at the operating wavelength. The single-mode fiber stub is secured to a ferrule, and a center of a core of the single-mode fiber stub is within 0.5 μm of a center of the ferrule. An end of the single-mode fiber stub that extends to or beyond the back end of the ferrule and forms an optical connection with the multimode optical fiber where the center of the single-mode fiber stub is within 2 μm of a center of the multimode optical fiber.
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