Method and its device for detecting ceramic insert core opening angle
A technology of ceramic ferrule and included angle, which is applied in the direction of measuring device, optical device, angle/taper measurement, etc., can solve the problem of not being able to detect the included angle of the opening of ceramic ferrule, and achieve the effect of improving the yield rate
Inactive Publication Date: 2007-11-14
SHANGHAI SHANGQUAN TELECOM TECH
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[0003] The purpose of the present invention is to overcome the deficiency that the existing ceramic ferrule detection instrument cannot detect the opening angle of the ceramic ferrule, and provide a method and device that can detect the opening angle of the ceramic ferrule, thereby eliminating unqualified ceramic ferrule, Improve the yield rate of optical fiber connectors, reduce the cost and time loss caused by the unqualified ceramic ferrule quality to users during use
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[0012] Below in conjunction with the accompanying drawings, the present invention is further described in detail: a method for detecting the opening angle of a ceramic ferrule, the ceramic ferrule is an annular sleeve, and the diameter of the inner circle is Φ1, and it is characterized in that the method includes the following steps: ( a) passing a bare optical fiber through the ceramic ferrule, measuring the length L of the bare optical fiber exposing the end face of the ceramic core ferrule; (b) magnifying the end face of the bare optical fiber on the monitor through a detector microscope, Measure the diameter Φ2 of the image of the optical fiber end face on the monitor; (c) rotate the ceramic ferrule, the bare optical fiber also rotates with the rotation of the ceramic ferrule, and detect the motion track of the center of the bare optical fiber end face magnify the image on the monitor with an instrument microscope, and measure the diameter 2R of the motion track on the moni...
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Abstract
The present invention discloses a method and device of detecting the opening angle of ceramic core insert, and the opening angle of ceramic core insert is the angle between the central lines of inner circle and outer circle of the ceramic core insert. The method includes inserting one bare optical fiber through the ceramic core insert, rotating the ceramic core insert together with the optical fiber, measuring a serial parameters and calculating based on some formula to obtain the angle. The device includes detector, monitor and fixture. The present invention can measure the deviation angle of inner circle and outer circle of the ceramic core insert in fiber connector to raise product quality of ceramic core insert.
Description
technical field [0001] The invention relates to a method and device for measuring the roughness and irregularity of the surface of the ceramic ferrule of an optical fiber connector, in particular to a method and device for detecting the opening angle of the ceramic ferrule. Background technique [0002] When installing any optical fiber system, it is necessary to consider connecting the optical fibers or optical cables to each other in a low-loss method to achieve the connection of optical links. The connection of optical fiber links is generally realized by active connectors, that is, optical fiber connectors. Optical fiber connectors are currently the most widely used optical passive devices. The basic structure of various types of optical fiber connectors is roughly the same. It consists of two pins and A coupling tube consists of three parts. When connecting the optical fiber, the optical fiber is threaded and fixed in the ferrule, and after the surface of the ferrule i...
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IPC IPC(8): G01B11/26G01B5/24
Inventor 徐铭隆王涛
Owner SHANGHAI SHANGQUAN TELECOM TECH