Fiber integrated Fourier transform micro-optical system
A technology integrating Fu and micro optics, applied in the direction of graded index fiber core/cladding fiber, cladding fiber, etc., can solve the problems of limited application range, complicated process, difficult to obtain, etc.
Active Publication Date: 2020-09-04
GUILIN UNIV OF ELECTRONIC TECH
View PDF10 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The third is to use high-precision 3D printing technology to print polymer lenses directly on the fiber end surface in recent years to prepare fiber microlenses. This method can prepare microlenses and microlenses with high precision and high degree of design freedom. arrays, but the required equipment is very expensive and difficult to obtain, and polymer materials have limited its range of applications
The optical waveguide lens can be used for collimation or focusing of light beams, but the lens manufactured by this method has complicated process and high production cost
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0076] The schematic diagram of the cross-section of the step multimode fiber selected in this embodiment, such as Figure 5 shown. 51 is the cladding of the step multimode fiber, and 52 is the core of the step multimode fiber.
[0077] The preparation steps of the fiber-integrated Fourier transform micro-optical system in this embodiment are as follows:
[0078] In the first step, the initial parameters of the fiber are selected. Including the initial refractive index distribution, dopant type, numerical aperture, etc. of the fiber. In this embodiment, a step multimode fiber is selected. The fiber parameters of the microlens 61 are that the cladding diameter is 125 μm, the core diameter is 62.5 μm, and the numerical aperture is 0.14; the fiber parameters of the microlens 62 are that the cladding diameter is 125 μm, The core diameter is 50 μm and the numerical aperture is 0.14. The dopant species are all germanium. The selected step multimode optical fiber is prepared by ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| diameter | aaaaa | aaaaa |
Login to View More
Abstract
The invention provides a fiber integrated Fourier transform micro-optical system, which is characterized in that the system is formed by connecting two sections of optical fibers which are prepared through thermal diffusion and have refractive index distribution in circumferential symmetry quasi-Gaussian distribution. The fiber integrated Fourier transform micro-optical system is formed by placingoptical fibers in a constant-temperature field and performing thermal diffusion preparation and connection, and after a fiber core dopant of the optical fibers is diffused, refractive index distribution is changed into circumferentially symmetrical quasi-Gaussian distribution, and the system can be equivalent to a micro-convex lens. The invention mainly provides a construction method of an optical fiber micro-lens, and meanwhile, a fiber integrated Fourier transform micro-optical system is constructed in the optical fiber. The method can be used for preparing the fiber integrated micro convexlens, and can be widely applied to the fields of micro endoscopes based on fiber integrated Fourier transform micro optical systems, cell biological optical fiber imaging systems, optical fiber optical tweezers systems, micro unmanned aerial vehicles and the like.
Description
[0001] (1) Technical field [0002] The invention relates to a fiber-integrated Fourier transform micro-optical system, which can be used for the preparation of fiber-integrated micro-convex lenses, and can be widely used in micro-endoscopes and cell biological optical fiber imaging based on fiber-integrated Fourier transform micro-optic systems System, optical fiber optical tweezers system, micro unmanned aerial vehicle and other fields, which belong to the field of fiber integration technology. [0003] (2) Background technology [0004] Fiber-integrated micro-optical components have the advantages of small size, light weight, flexible design and manufacturing, low manufacturing cost, and easy array and mass production. They can realize functions that are difficult to achieve with ordinary optical components. It has important application value in aerospace, biomedicine, laser technology, optical computing and other fields. [0005] Generally, there are three types of fiber o...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/028
CPCG02B6/028
Inventor 苑立波孟令知陈宫傣
Owner GUILIN UNIV OF ELECTRONIC TECH