Hermetically sealed optical fibre with voids or holes, method of its production, and its use
First Claim
1. An optical fibre having an axial direction and a cross section perpendicular to said axial direction, said optical fibre comprising:
- a first light guiding fibre portion having a cladding region with a plurality of spaced apart cladding voids extending longitudinally in the fibre axial direction and a core region bounded by said cladding region, and a solid light transparent fibre portion having a first end facing the first light guiding fibre portion by being attached thereto or by sharing a common solid background material, and a second end forming an end face of the optical fibre, said solid light transparent fibre portion providing a hermetic sealing of the cladding voids of the first light guiding fibre portion.
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Accused Products
Abstract
An optical fibre having an axial direction and a cross section perpendicular to said axial direction, said optical fibre comprising: a first light guiding fibre portion (604) having a cladding region with a plurality of spaced apart cladding voids extending longitudinally in the fibre axial direction and a core region bounded by said cladding region, and a solid light transparent fibre portion (602) having a first end facing the first light guiding fibre portion and a second end forming an end face of the optical fibre, said solid light transparent fibre portion providing a hermetic sealing (601) of the cladding voids of the first light guiding fibre portion; a method of its production, and its use, such as an optical fibre connector and an article comprising a microstructured optical fibre with hermetically sealed end face.
53 Citations
154 Claims
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1. An optical fibre having an axial direction and a cross section perpendicular to said axial direction, said optical fibre comprising:
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a first light guiding fibre portion having a cladding region with a plurality of spaced apart cladding voids extending longitudinally in the fibre axial direction and a core region bounded by said cladding region, and a solid light transparent fibre portion having a first end facing the first light guiding fibre portion by being attached thereto or by sharing a common solid background material, and a second end forming an end face of the optical fibre, said solid light transparent fibre portion providing a hermetic sealing of the cladding voids of the first light guiding fibre portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 141, 142, 143, 144, 145, 151, 152)
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71. A method of producing a sealed microstructured optical fibre comprising:
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sealing a first light guiding optical fibre portion having a cladding region with a plurality of spaced apart cladding voids extending longitudinally in the fibre axial direction and a core region bounded by said cladding region; and
forming or arranging a solid light transparent fibre portion at an end of the first light guiding fibre portion so as to provide a hermetic sealing of said cladding voids. - View Dependent Claims (72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 153, 154)
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146. An article comprising:
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an optical fibre having an axial direction and a cross section perpendicular to said axial direction, said optical fibre including, a first light guiding fibre portion having a cladding region with a plurality of spaced apart cladding voids extending longitudinally in the fibre axial direction and a core region bounded by said cladding region, and a solid light transparent fibre portion having a first end facing the first light guiding fibre portion and a second end forming an end face of the optical fibre, said solid light transparent fibre portion providing a hermetic sealing of the cladding voids of the first light guiding fibre portion; and
an optical fibre connector including a ferrule surrounding at least part of the solid light transparent fibre portion. - View Dependent Claims (147, 148, 149, 150)
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Specification