Device and method for adjusting laser polarization beam-combining optical path

A polarization beam combiner and polarization beam combiner technology, applied in optics, instruments, optical components, etc., can solve problems such as time-consuming, large errors, and complicated assembly and adjustment process, so as to overcome the complexity of clothing adjustment process and improve the efficiency of assembly and adjustment , The effect of the simple assembly process

Inactive Publication Date: 2017-08-04
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

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Problems solved by technology

However, this method of manual assembly and adjustment without tooling is complicated, time-consuming, and has large errors.

Method used

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  • Device and method for adjusting laser polarization beam-combining optical path
  • Device and method for adjusting laser polarization beam-combining optical path
  • Device and method for adjusting laser polarization beam-combining optical path

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Embodiment Construction

[0049] The invention provides a laser polarization beam combining optical path installation and adjustment device, which is applied to the laser polarization beam combining optical path. Wherein, the laser polarization beam combining optical path at least includes: a first laser and a second laser for generating polarization state light, and a polarization beam combiner for combining two polarization state lights into one output beam.

[0050] The adjustment device includes:

[0051] Horizontal substrates;

[0052] an indicating light source, positioned on the substrate, for emitting indicating light;

[0053] The first component is positioned on the substrate and in the light emitting direction of the indicating light source, and a through hole for passing the indicating light is provided on the first component;

[0054] The second component is positioned on the substrate, and a positioning mark is provided on the second component at a position consistent with the height of...

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Abstract

The invention discloses a device and method for adjusting a laser polarization beam-combining optical path. The device includes a horizontally placed substrate; an indication light source positioned on the substrate and used for emitting indication light; a first component positioned on the substrate, located on a light emergent direction of the indication light source and provided with a through hole for the indication light to pass through; and second components positioned on the substrate, positioning marks being arranged in positions on the second components at a height consistent with that of the through hole of the first component. The indication light source and the first component are arranged on an optical path of light output by a polarization beam combiner corresponding to a laser polarization beam-combining optical path; and one second component is arranged on an optical path where a first laser is, and one second component is arranged on an optical path where a second laser is. The device and method for adjusting the laser polarization beam-combining optical path are based on an optical path reversibility principle, adjust optical elements in the laser polarization beam-combining optical path, simplify the adjustment process of the laser polarization beam-combining optical path, and can improve adjustment efficiency.

Description

technical field [0001] The invention relates to the technical field of optical path adjustment, in particular to a device and method for optical path adjustment of laser polarization beam combining. Background technique [0002] With the gradual expansion of the application range of high-power semiconductor lasers in fiber laser pumping, industrial processing and military fields, people have higher and higher performance requirements for semiconductor lasers. It is required to take into account the beam quality of the semiconductor laser while obtaining high power output. However, due to the structure of the semiconductor laser itself, if the power output is increased, the beam quality will be poor. To solve this problem, the method of combining the beams of the semiconductor lasers is currently used to improve the beam quality while maintaining the same beam quality. The output power of a semiconductor laser. [0003] Common semiconductor laser beam combining technologies...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/28
Inventor 朱洪波韩金梁张亚维宁永强
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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