Quasi-continuous fiber laser device for modularized beam combining

A fiber laser, quasi-continuous technology, used in lasers, laser parts, semiconductor lasers, etc., can solve the problems of difficult adjustment, limited power supply, poor stability, etc., to prevent accidents, high power output, and good stability. Effect

Pending Publication Date: 2018-08-10
无锡源清瑞光激光科技有限公司
View PDF0 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although compared with traditional lasers, fiber lasers have many advantages, but their power is low, and most of them are small and medium power fiber lasers of hundreds of watts. Due to the influence of nonlinear effects such as abyss scattering and stimulated Raman scattering, as well as the limitations of factors such as thermal damage to the fiber core, the output power of a single fiber is relatively limited, and the highest output power is about 1500W.
Although the power can be further increased by using a doped fiber with a thicker core, the cost of the doped fiber with a thicker core is high and the power supply is limited, so this power boosting method is generally not used
In the technical fields of automobile manufacturing, shipbuilding, and aviation manufacturing, when lasers are u

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Quasi-continuous fiber laser device for modularized beam combining
  • Quasi-continuous fiber laser device for modularized beam combining
  • Quasi-continuous fiber laser device for modularized beam combining

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] combine Figure 1 to Figure 7 , describes an embodiment of the present invention in detail, but does not limit the claims of the present invention in any way.

[0030] Such as figure 1 As shown, a modular beam combining quasi-continuous fiber laser includes a plurality of fiber laser modules 1, a beam combining device 2 and an output device;

[0031] Such as figure 2 As shown, each fiber laser module 1 includes N+M pump lasers 11, a first beam combiner 12, a high reflection grating 13, a gain fiber 14, a low reflection grating 15 and a second beam combiner 16, the first combiner The beam combiner 12 has N input optical fibers, the second beam combiner has M+1 input optical fibers, N pump lasers 11 are connected to the N input optical fibers 121 of the first beam combiner 12, and the first beam combiner 12 The output fiber is fused with the input end of the high reflection grating 13, the output end of the high reflection grating 13 is fused with one end of the gain ...

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

No PUM Login to view more

Abstract

The invention relates to the technical field of fiber laser devices, in particular to a quasi-continuous fiber laser device for modularized beam combining. The quasi-continuous fiber laser device comprises a plurality of fiber laser device modules, a beam combining device and an output device. Each fiber laser device module comprises N+M pump laser devices, a first beam combiner, a high-reflectivity optical grating, a gain optical fiber, a low-reflectivity optical grating and a second beam combiner. The beam combining device comprises a plurality of input optical fibers and an output optical fiber. The output device comprises a wrapping layer optical stripping device and an optical fiber output head. The gain optical fibers are excited by the pump laser devices on the two sides for generating lasers so as to form the fiber laser device modules, multiple beams of lasers generated by the same fiber laser device modules are combined through the beam combining device according to the modularized concept, and therefore the high-power quasi-continuous laser is formed; the power of the laser can reach several thousand kilowatts; the fiber laser device has the advantages of being easy to manufacture, high in stability and flexible in production.

Description

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

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
no application Login to view more
Owner 无锡源清瑞光激光科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2023 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap