Optical fiber rotary connector

A rotary connector and rotary connection technology, applied in the direction of coupling of optical waveguides, can solve the problems of inability to realize single-mode fiber signal transmission, difficult installation, complex structure, etc., and achieve simple structure, reduced machining accuracy, and high coupling efficiency. Effect

Inactive Publication Date: 2011-03-16
FEMTO TECH XIAN
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the problem that the existing optical fiber rotary connector has complex structure, difficult installation, and inability to realize signal transmission of single-mode optical fiber, the present invention provides an optical fiber rotary connector, which can achieve low cost, easy installation, high coupling efficiency, stable performance and long life performance indicators

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Embodiment Construction

[0030] The invention provides an optical fiber rotary connector. The optical fiber rotary connector includes a stator head, a rotor head, a bearing, a rotor sleeve, an end cover, a spring seal, a rotor lever, an elastic retaining ring, and a spacer. The stator head includes a stator collimator and a stator fiber embedded in one end of the stator collimator. The other end of the rotor collimator is embedded with a rotor lens. The rotor head includes a rotor collimator and a stator lens embedded in one end of the rotor collimator. The rotor The other end of the collimator is embedded with a rotor lens, the stator lens is connected with the stator optical fiber, and the rotor lens is connected with the rotor optical fiber. The rotor fiber and the stator fiber can be tapered fiber (taper fiber) or thermally expanded core fiber (TEC fiber). The rotor lens and the stator lens can adopt self-focusing lens, C lens (C lens), aspheric lens. Various optical fibers can be combined with ...

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Abstract

The invention relates to an optical fiber rotary connector, which comprises a stator head, a rotor head, a stator shell for fixing the stator head, a rotor sleeve for fixing the rotor head and a rotary connection device. The stator shell is sleeved outside the rotor sleeve; the rotary connection device is arranged between the stator shell and the rotor sleeve; a stator optical fiber is a hot-expanded core optical fiber or conical optical fiber with an end part core diameter of 20-40 mu m; and the rotor optical fiber has the same structure as the stator optical fiber. The optical fiber rotary connector provided by the invention solves the problems that the conventional optical fiber rotary connector has complicated structure, is difficult to install, cannot realize signal transmission of a single-mode optical fiber, and can realize the performance indexes of low cost, simple installation, high coupling efficiency, stable performance and long service life.

Description

technical field [0001] The invention relates to the field of optical fiber rotary connectors, in particular to an optical connection device that realizes optical fiber bidirectional rotary transmission. Background technique [0002] In the process of signal transmission, a rotating coupling connection mechanism is required to continuously transmit the signal from a stationary platform at one end to a rotating platform at the other end. This mechanism is called a rotary connection device, also known as a rotary connector. The traditional rotary connector is an electrical rotary connector, which has disadvantages such as low transmission rate, poor resistance to electromagnetic interference, and short transmission distance. The optical fiber rotary connector uses optical fiber as the data transmission medium, which provides the best technical solution for the data transmission between the rotating connected system components. Optical fiber rotary connectors can overcome the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/36G02B6/38
Inventor 米磊姚胜利孙博黄涛张红菊刘昭韩笑路
Owner FEMTO TECH XIAN
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