Microstructured optical fibres and design methods

Francis Berghmans (Inventor), Tigran Baghdasaryan (Inventor), Thomas Geernaert (Inventor), Hugo Thienpont (Inventor)

Research output: Patent

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The present invention relates to an optical fiber structure (lOO)comprising a core ( 110) and a cladding region (120) surrounding the core. The cladding region (120) comprises a plurality of longitudinal holes (122), wherein the plurality of longitudinal holes (122) is adapted LASER in configuration for inducing a focusing effect in a direction transverse to the length direction of the optical fiber structure (100). In this way a photonic crystal lens can be embedded in the optical fiber for efficient
transverse coupling in or out of the core ( 110) area of the fiber. Such fibers may especially be suitable for fiber Bragg grating inscription. The present invention also relates to corresponding methods.
Original languageEnglish
Patent numberWO2011161196A1
IPCG02B 6/02
Filing date22/06/11
Publication statusPublished - 29 Dec 2011

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