Calibration grating and calibration method for optical fiber test instrument calibration
A technology of optical fiber testing and calibration methods, which is applied in the direction of optical instrument testing, testing optical fiber/optical waveguide equipment, instruments, etc., can solve the problems of calibration data deviation, calibration difficult operation, etc., and achieve fast calibration, uniform reflection, and error avoidance Effect
Active Publication Date: 2021-09-21
SHANGHAI ELECTRIC CABLE RES INST +1
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Problems solved by technology
[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a calibration grating and a calibration method for the calibration of optical fiber testing instruments, which are used to solve the problems of difficult calibration and deviation of calibration data in the prior art
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[0030] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.
[0031] see Figure 1 to Figure 5 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. within the scope covered by the disclosed technical content. At the same ti...
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The invention provides a calibration grating for optical fiber test instrument calibration, which includes: a housing with a cavity with an opening, a track groove on the wall of the cavity, and the track groove has two sections that are bent and communicated; a sliding seat, Placed in the cavity, and a spring is provided between the sliding seat and the bottom wall of the cavity; a grating mounting seat with a standard grating sheet is provided on the sliding seat, and the grating mounting seat is a light-transmitting part; the handle is installed on the The handle is connected to the sliding seat, and the handle drives the sliding seat to slide in the cavity, so that the grating mounting seat protrudes from the opening or is stored in the housing. In the present invention, the standard grating sheet is placed in the grating mounting seat, and the retraction and extension of the grating mounting seat can be controlled by the handle, and the grating mounting seat with the standard grating sheet is directly placed in the optical fiber testing instrument, and the geometric parameters of the optical fiber can not be disassembled. The casing of the test instrument makes calibration faster and more convenient, and avoids unnecessary errors caused by disassembly of the instrument to the greatest extent.
Description
technical field [0001] The invention relates to the technical field of optical fiber geometric parameter testing, in particular to a calibration grating and a calibration method for calibrating an optical fiber testing instrument. Background technique [0002] The calibration method provided by the existing instrument is to use a measured grating sheet to calibrate the optical fiber testing instrument. When calibrating the optical fiber geometric color test instrument, it is necessary to fix the measured standard grating sheet on the test end of the test instrument. However, in the prior art, when fixing the standard grating sheet, it is necessary to disassemble the instrument shell, and then adjust the position to make it The image is clearly imaged on the imaging interface of the test program, and the fixture seat of the test end is rotated to make the stripes vertical. Use the test software of the instrument to test the width of the grating stripes. The test value should ...
Claims
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IPC IPC(8): G01M11/00
CPCG01M11/30
Inventor 张成及少勇杨厚云金彦
Owner SHANGHAI ELECTRIC CABLE RES INST