Optical fiber detector with holes and preparation method
A detector and optical fiber technology, applied in the field of optical fiber detectors with holes and their preparation, can solve the problems of refractive index error, measurement angle error, inaccurate refractive index, etc.
Inactive Publication Date: 2020-12-15
金华伏安光电科技有限公司
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Problems solved by technology
[0005] The purpose of the present invention is to provide an optical fiber detector with a hole and a preparation method for the deficiencies in the above-mentioned prior art, so as to solve the possible errors in the measurement angle caused by manual operation in the prior art, so that the calculated refractive index also has Error, the obtained refractive index is not accurate
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[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is an embodiment of the metal plate of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0030] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in...
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Abstract
The invention relates to an optical fiber detector with holes and a preparation method, and mainly relates to the field of optical fiber devices. According to the invention, a first bent part and a second bent part respectively extend into two holes, when incident light exists in the optical fiber, the light is coupled to the first bent part through one hole and returns to the optical fiber through a connecting main body and the second bent part, and when the refractive index of the environment near the connecting main body is changed, the transmission coefficient of the connecting main body is changed, so that the amount of the light returning to the optical fiber through the connecting main body and the second bent part is changed, the light intensity of the emergent light of the opticalfiber is changed, and the refractive index near the connecting main body can be accurately calculated through the change of the light intensity of the emergent light of the optical fiber.
Description
technical field [0001] The invention relates to the field of optical fiber devices, and mainly relates to an optical fiber detector with holes and a preparation method. Background technique [0002] The refractive index is the ratio of the speed of light in a vacuum to the speed of light in that medium. It is mainly used to describe the refraction ability of a material to light. When comparing two media, the one with a higher refractive index is called an optically dense medium, and the one with a smaller refractive index is called an optically sparse medium. The refractive index is closely related to the electromagnetic properties of the medium. [0003] Generally, the measurement of the refractive index is by placing it in air (n 1 =n 2 = 1). When the incident angle i of the first surface of the prism 1 Equal to the refraction angle at the second surface when the refractive index is measured, the deflection angle reaches a minimum value δ min , then use a goniometer ...
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IPC IPC(8): G01N21/41G02B6/02
CPCG01N21/41G02B6/02
Inventor 不公告发明人
Owner 金华伏安光电科技有限公司