| 摘要 |
PURPOSE:To prevent generation of axial mis-alignment, etc. and to minimize the fluctuation in connection loss by forming a low refractive index layer around the high refractive index core part of a sheet-like base film and extending and connecting a lead core part to one end of said base film. CONSTITUTION:A core part 2a of an optical guide 2 is formed to a high polymer base film 4 and further the circumference of the core part 2a is formed of a low refractive index layer. A core part 2c for lead to which the core part 3a of an optical fiber 3 is extended from the end face of the core part 2a and is connected to the end part thereof. A plastic plate 5 is extended in the axial direction of the core part 2a from the base film 4 and a fixing plate 6 for connecting said plate to an optical fiber is sandwiched between the plates 5. The fiber 3 and the waveguide 2 are united to one body by an adhesive agent. The axial mis-alignments in lateral and vertical directions with temp. and humidity fluctuations, oscillation, impact, etc. are nearly thoroughly eliminated in the connection of the waveguide 2 and the fiber 3. |
