Manufacturing device and manufacturing method of polarization maintaining optical fiber combiner
A polarization-maintaining optical fiber and a technology for making a device, applied in the field of optical fibers, can solve problems such as the difficulty of single-fiber power
Active Publication Date: 2016-08-24
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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Problems solved by technology
As the single-fiber single-mode power increases to the kilowatt level, it becomes more difficult to continue to increase the single-fiber power
Method used
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[0022] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
[0023] The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0024] see figure 1 , figure 2 and image 3 , the fabrication device 10 according to the embodiment of the present invention is used to fabricate the polarization-maintaining fiber combiner 20 . The fabrication device 10 includes a clamping device 12 , an observation device 14 and a measuring device 16 . The clamping device 12 includes a plurality of rotatable receiving holes 122 , and each receiving hole 122 is used for clamping a polarization-maintaining optical fiber 22 . The observation device 14 is used to o...
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The invention discloses a manufacturing device of a polarization maintaining optical fiber combiner. The manufacturing device comprises a holding device, an observation device and a measurement device, wherein the holding device comprises a plurality of rotatable accommodating holes, each accommodating hole is used for holding a polarization maintaining optical fiber, the observation device is used for observing an end face of the polarization maintaining optical fiber to allow a user to judge how to rotate the accommodating hole to change the polarization direction of the polarization maintaining optical fiber, and the measurement device is used for measuring the extinction ratio of polarized light outputted by the polarization maintaining optical fiber. The invention further provides a manufacturing method of the polarization maintaining optical fiber combiner. According to the manufacturing device and the manufacturing method of the polarization maintaining optical fiber combiner, multiple linear polarization beams still maintain a high extinction ratio after being combined by the combiner. The manufacturing device and the manufacturing method of the polarization maintaining optical fiber combiner can be used for incoherent and coherent beam combination of a plurality of high-power narrow-linewidth linear polarization output mono-mode fiber lasers.
Description
technical field [0001] The invention relates to the fields of optical fiber technology and laser technology, in particular to a manufacturing device and a manufacturing method of a polarization-maintaining fiber combiner. Background technique [0002] High-power fiber lasers have obvious advantages in beam quality, volume, weight, efficiency, heat dissipation, etc., and have been widely used in optical fiber communication, laser space long-distance communication, industrial shipbuilding, automobile manufacturing, laser cutting, metal welding, military defense Civilian industry and military fields such as security, biomedicine, and large-scale infrastructure construction are called "third-generation lasers." Due to the limitations of fiber nonlinear effects and optical thermal damage, the output power of a single fiber laser cannot be increased infinitely. In order to obtain higher power fiber laser output, power combining multiple medium and high power fiber lasers is an ef...
Claims
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Login to View More IPC IPC(8): G02B6/255
CPCG02B6/2552
Inventor 张新海张帆
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA