| 摘要 |
PROBLEM TO BE SOLVED: To obtain an optical branching device which is simple in structure and allows changing of the branching quantity of light by forming the tip of a waveguide disposed in a case as a convergently sharpened end and constituting the tip so as to prick the coated fiber of an optical fiber cable. SOLUTION: A optical fiber cable is provided with a cable placing groove 6 for placing the optical fiber cable on the cover 3 and the case 1 is provided with a cable placing groove 7 in the position opposite to the cable placing groove 6 of the cover 3. The case is provided with the waveguide 12 having the convergently sharpened end 12a to prick the coated fiber of the optical fiber cable placed in the cable placing grooves 6, 7. The front end of the waveguide 12 disposed at the case 1 is formed as the convergently sharpened end 12a so as to prick the coated fiber of the optical fiber cable in such a manner and, therefore, the easy branching of the light is made possible with the simple structure. Since the cover 3 and the case 1 are provided with the cable placing grooves 6, 7 for placing the optical cable, the easy pricking of the sharpened end 12a of the waveguide 12 to the coated fiber of the optical fiber cable is made possible. |
