A device and method for fabricating an optical fiber sensor

A fiber optic sensor and device manufacturing technology, which is applied in the direction of optical devices, measuring devices, instruments, etc., can solve the problems of fiber end face pollution and damage, difficulty in inserting successfully at one time, and low yield, so as to improve control accuracy and realize The effect of standardization and mass production

Active Publication Date: 2018-08-17
上海盛磊信息科技有限公司
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Problems solved by technology

This method is difficult to insert successfully at one time without errors, which will easily lead to contamination and damage of the end face of the optical fiber coated with reflective film, and the yield rate is low

Method used

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  • A device and method for fabricating an optical fiber sensor
  • A device and method for fabricating an optical fiber sensor
  • A device and method for fabricating an optical fiber sensor

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] The optical fiber Fabry-Perot sensor (Optical Fiber Fabry-Perot Sensor, referred to as fiber optic F-P or F-P sensor) is composed of a capillary and two single-mode optical fibers, and the two single-mode optical fibers are respectively inserted into the two ends of the capillary. In the capillary, and fixed together with the capillary in some way. Wherein, the insertion end face of each single-mode optical fiber is coated with a high reflection film. Th...

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Abstract

The embodiment of the invention provides a manufacturing apparatus for a fiber sensor. The manufacturing apparatus is used for manufacturing an extrinsic optical fiber Fabry-Perot sensor. The extrinsic optical fiber Fabry-Perot sensor consists of a first fiber, a second fiber, and a capillary tube. The manufacturing apparatus includes a first insertion mechanism, a second insertion mechanism, a monitoring mechanism and a fixing mechanism. When an extrinsic optical fiber Fabry-Perot sensor is manufactured by using the manufacturing apparatus, the fiber insertion step is executed by cooperation of the monitoring mechanism, the first insertion mechanism, and the second insertion mechanism, so that the insertion precision of inserting the first fiber into the capillary tube and the insertion precision of inserting the second fiber into the capillary tube can be improved effectively and thus the yield of manufacturing the extrinsic optical fiber Fabry-Perot sensor is enhanced effectively. Besides, ont eh basis of the manufacturing apparatus, the invention also provides a manufacturing method for a fiber sensor.

Description

technical field [0001] The invention relates to the field of optical fiber sensors, in particular to a manufacturing device and method for an optical fiber sensor. Background technique [0002] Optical Fiber Fabry-Perot Sensor (Optical Fiber Fabry-Perot Sensor, referred to as optical fiber F-P or F-P sensor), is an interferometric optical fiber sensor with the simplest principle, the longest history, the most mature technology and the most common application. Simple structure, small size, high sensitivity, fast time response, single optical fiber signal transmission, high temperature and high pressure resistance and other harsh environments, it is widely used in the fields of biology, medicine, industry, aerospace, military and other fields to deal with strain, pressure, displacement, Sensing of speed, acceleration, ultrasonic and other parameters. There are three representative structures of fiber-optic F-P sensors: intrinsic type, extrinsic type, and linear composite cavi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/16
CPCG01B11/161
Inventor 陈伟民李竞飞雷小华许亨艺
Owner 上海盛磊信息科技有限公司
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