Installation and fixation structure of light-guide fiber of photoelectronic device

The invention discloses an installation and fixation structure of a light-guide fiber of a photoelectronic device. The photoelectronic device comprises a tube shell, wherein a tail tube which protrudes outward is arranged on the tube shell; one end of a light-guide fiber is provided with a coupled structure; the light-guide fiber comprises a fiber core and a covering which adopts the same material as the fiber core and covers the fiber core; a coating covers the covering at one end far away from the coupled structure; a bare light-guide fiber formed by the fiber core and the covering is formed at one end, close to the coupled structure, of the light-guide fiber; a basic light-guide fiber formed by the fiber core, the covering and the coating is formed at the other end of the light-guide fiber; the light-guide fiber penetrates through the tail tube; and the bare light-guide fiber of the light-guide fiber and the tail tube are soldered and fixed by glass solders. The installation and fixation structure provided