JPS6424308U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view showing an example of the optical coupler of this invention, Fig. 2 is a sectional view of the jacket accommodating part 23, Fig. 3 is a sectional view of the wire accommodating part 24, and Fig. 4 is a tapered accommodating part. 25, FIG. 5 is an exploded perspective view showing another example of this invention, FIG. 6 is a sectional view of the jacket accommodating portion 23, FIG. 7 is a sectional view of the wire accommodating portion, and FIG. 8 is a sectional view of the jacket accommodating portion 23. 9 is a cross-sectional view of a wire accommodating portion in which this invention is applied to a 4×4 optical coupler, and FIGS. 10 and 11 are perspective views showing conventional optical couplers, respectively. It is.

Claims (1)

[Claims for Utility Model Registration] Consisting of a fiber fused optical coupler main body and first and second reinforcing pieces sandwiching the optical coupler main body, the first and second reinforcing pieces have thermal expansion coefficients equal to the above optical It is made of a material that has a coefficient of thermal expansion substantially equal to the coefficient of thermal expansion of the optical fiber that constitutes the coupler body, and the optical fiber strands of the optical coupler body are aligned and housed between the first and second reinforcing pieces, and filled with adhesive. a tapered housing part that is adjacent to the raw wire housing part, has a larger width and depth than the raw wire housing part, and houses the optical fiber taper part of the optical coupler body; A jacket accommodating part is formed adjacent to the strand accommodating part on the opposite side from the fiber accommodating part, in which the jacket part of the optical fiber is housed, and is filled with an adhesive.