Optical connector sheath and return connector

Abstract

One embodiment of the optical connector sheath of the present invention includes a receiving portion having an internal space for accommodating two optical fiber cables shown in the cross-section of a folded portion cut along a plane orthogonal to a first direction. The outermost part of the cross-section of the space when the receiving portion is cut along the plane orthogonal to the first direction extends along a second direction orthogonal to the first direction and a third direction orthogonal to both the first and second directions. The length of the second direction (i.e., the first length) of the outermost part of the cross-section of the space is greater than the length of the third direction (i.e., the second length). The first length is more than twice the diameter of the optical fiber cable when cut along the plane orthogonal to the first direction, and the second length is greater than the diameter but less than twice the diameter.

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