High-power wrapping layer light stripper

A cladding light and stripper technology, used in lasers, laser parts, phonon exciters, etc., can solve the problems of inability to withstand high-power stripping, low mechanical strength of optical fibers, etc., to improve heat treatment capacity and reduce production. cost effect

Inactive Publication Date: 2018-07-27
BWT BEIJING
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Problems solved by technology

[0004] In view of the above-mentioned problems, the purpose of the present invention is to solve a kind of high-power cladding light stripper, to solve the problem that the optical fiber mechanical strength of existing cladding light stripper device is low, can not bear the problem of high-power stripping

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Embodiment Construction

[0022] The existing cladding optical stripper device adopts the method of stripping the inner cladding of the optical fiber into a stepped form and coating high-refractive-index glue. This method reduces the mechanical strength of the optical fiber, and at the same time, due to the existence of high-refractive-index optical glue, it cannot withstand high power stripping.

[0023] For this reason, the present invention provides a kind of high-power cladding light stripper, realizes cladding light stripping by destroying the waveguide structure on the surface of the optical fiber, then connects the quartz glass rod on the surface of the optical fiber to reduce the heat density of the optical fiber, realizes the high Power CPS.

[0024] The invention realizes light energy transfer by connecting the optical fiber cladding with the quartz glass rod, reduces the light energy density on the quartz rod, and then contacts the package shell through the quartz rod; this structure can rea...

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Abstract

The invention belongs to the technical field of a high-power laser, and particularly relates to a high-power wrapping layer light stripper. The high-power wrapping layer light stripper comprises a main optical fiber, a glass rod and a package shell, wherein at least one glass rod is arranged on an outer circumference of the main optical fiber along a circumferential direction, the glass rod is parallel to the main optical fiber, the package shell sleeves an outer side of the main optical fiber, and the glass rod is packaged in the package shell. The main optical fiber is connected with the glass rod, light energy transferring of a wrapping layer is achieved, light energy density of a quartz rod is reduced, the quartz rod is in contact with the package shell, the thermal processing capacityof a device is improved by the structure under the condition of no active cooling, thermal processing of CPS can be achieved, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of high-power lasers, in particular to a high-power cladding optical stripper. Background technique [0002] In fiber lasers or amplifiers, the cladding light energy in the output fiber mainly comes from residual pump light, signal light leaked into the cladding at the fiber fusion point, and signal light in cladding mode. When the laser is running at high power, if the cladding light is not disposed of in time, it will directly affect the beam quality of the laser, damage the optical collimation device, and affect the stability of the laser. Therefore, the Cladding Power Stripper (CPS) plays a vital role in fiber lasers. [0003] The existing cladding optical stripper device adopts the method of stripping the inner cladding of the optical fiber into a stepped form and coating high-refractive-index glue. This method reduces the mechanical strength of the optical fiber, and at the same time, due to the exist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/067
CPCH01S3/06708H01S3/06754
Inventor 张雪霞徐磊
Owner BWT BEIJING
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