Optical connector
A technology of optical connectors and optical fiber cores, applied in the coupling of optical waveguides, etc., to achieve the effect of simple connection operations
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no. 1 approach
[0034] Such as figure 1 (a) and figure 1 As shown in (b), the optical connector 1 of this embodiment includes a reinforcing sleeve 2, which is inserted into the end face formed only by cutting the optical fiber core wires 31a, 31b or the cladding layer at the end portion of the optical fiber core wires 31a, 31b. 35 After removing and cleaning, use scissors or pliers and other common cutting tools (not using special tools such as optical fiber cutters) to cut off the unpolished end faces and connect the optical fiber core wires 31a, 31b to the core wire insertion tube 3, and set in Instant adhesive a for optics in reinforcement case 2.
[0035] As the reinforcement cover 2, a component composed of an elastic sleeve member made of elastic materials such as rubber and resin is used. The reinforcing sheath 2 can be of a type having an inner diameter slightly larger than the outer diameter of the arm core wire insertion tube 3 before accommodating the core wire insertion tube 3 a...
Embodiment
[0073] use Figure 4 The experimental system uses scissors to cut off the end portion of the butt joint of the optical fiber core wire 31 but does not remove the cladding layer 35, by figure 1 The optical connector connects the cut optical fiber core wires 31 to each other to form the connecting portion 21 of the optical fiber core wires.
[0074] A normal SMF (single-mode fiber) is used for the optical fiber using the optical fiber core 31, a stable light source with a wavelength of 1.55 μm (LD-MG923A: manufactured by Anritsu Corporation) is used as the light source 42, and a power meter is used as the optical power detector 43 (AQ2140: manufactured by Ando Electric Co., Ltd.). An SMF (length 4000 meters) with FC connectors at both ends was directly connected between the light source 42 and the optical power detector 43 as a reference.
[0075] The optical fiber connected by the above-mentioned connecting portion 21 of the optical fiber core was wound five times. The conne...
no. 2 approach
[0081] The same components as those of the first embodiment are denoted by the same symbols as those of the first embodiment.
[0082] Such as figure 1(a) and figure 1 As shown in (b), the optical connector 1 of this embodiment includes a heat-shrinkable tube 2', which is inserted into the end face formed only by cutting the optical fiber core wires 31a, 31b or in the wrapping of the end portions of the optical fiber core wires 31a, 31b. After the cladding 35 is removed and cleaned, use scissors or pliers or other general cutting tools (special tools such as optical fiber cutters are not used) to cut off the unpolished end faces and connect the optical fiber core wires 31a, 31b to the core wire insertion tube 3, and An unhardened refractive index matching resin sr disposed inside the heat-shrinkable tube 2'.
[0083] The so-called end faces formed only by cutting the optical fiber core wires 31a, 31b means that the end portions of the optical fiber core wires 31a, 31b to be ...
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