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Microstructure optical fiber and design method thereof

A technology of micro-structured optical fiber and design method, which is applied in the field of optics, can solve the problems of large diameter and achieve the effects of small bending radius, good anti-irradiation characteristics, and reasonable structural design

Active Publication Date: 2021-12-10
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current design of microstructured optical fibers is mainly for communication, sensing and other fields. Compared with the application requirements of image transmission beams, the diameter is relatively large. At present, there are few fine-diameter microstructured optical fibers specifically for image transmission applications.

Method used

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  • Microstructure optical fiber and design method thereof
  • Microstructure optical fiber and design method thereof
  • Microstructure optical fiber and design method thereof

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Embodiment Construction

[0031] The concrete implementation of the present invention is described in detail below, it is necessary to point out here that the following implementation is only used for further description of the present invention, and can not be interpreted as limiting the protection scope of the present invention. Some non-essential improvements and adjustments still belong to the protection scope of the present invention.

[0032] attached Figure 1-8 It is the accompanying drawing involved in the technical solution of the present invention. In order to solve the problem of high-quality optical fiber image transmission in the strong irradiation environment, the present invention provides a radiation-resistant thin-diameter "wheel-shaped" microstructure for making optical fiber image transmission bundles. Structural optical fiber and its design method are given. Fiber cross section such as figure 1 As shown, its structure consists of a single layer of air cladding and a quartz core s...

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Abstract

A microstructure optical fiber comprises a cladding and a fiber core, the cladding is an air layer, the fiber core is supported by a plurality of supporting columns arranged at intervals and connected with an outer quartz layer, the supporting columns are annularly arranged, the refractive index of the fiber core is larger than that of the cladding, and the microstructure optical fiber meets the image transmission application requirement of a strong irradiation environment. The formed optical fiber image transmission product can be applied to complex and special environments such as nuclear power stations and the like, and the microstructure optical fiber can be popularized and applied to the fields of medical endoscopic imaging, industrial detection and the like due to excellent characteristics such as small diameter and large numerical aperture.

Description

technical field [0001] The invention relates to the field of optics, in particular to the technical field of special optical fibers, and in particular to a microstructure optical fiber and a design method thereof, which are applicable to image transmission applications in irradiation environments. Background technique [0002] Fiber optic endoscope is a fiber optic image transmission system that uses optical fiber to transmit images and guide light. In the endoscope system, the optical fiber image transmission bundle decomposes the image formed by the objective lens into individual pixels by each neatly arranged optical fiber, and then independently transmits to the end to be received by the coupling mirror to complete the image transmission. Fiber optic endoscopes have the advantages of small size, light weight, free bending, and adaptability to complex application scenarios, and are widely used in industrial, medical and other fields. [0003] As the core device of the en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/02G02B23/26G02B27/00
CPCG02B6/02366G02B23/26G02B27/0012
Inventor 郑月杨越范荣华高福宇李立京
Owner BEIHANG UNIV
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