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Laser beam combination device

A laser processing device and laser technology, applied in the field of lasers, can solve problems such as inability to achieve high-power coupling output, and achieve the effect of avoiding differences and improving beam quality

Pending Publication Date: 2017-09-05
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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Problems solved by technology

However, the existing semiconductor laser fiber beam combining and coupling output technology has one of the biggest disadvantages, that is, it is impossible to achieve high-power coupling output under the premise of maintaining the same fiber core diameter.

Method used

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  • Laser beam combination device

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Embodiment Construction

[0019] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0020] Such as figure 1 As shown, a laser beam combining device includes a main reflector 1, a first beam combining mirror 2, a first collimator 3, a dichroic mirror 4, an achromatic lens 5, an aperture 6, and a second beam combining Mirror 7, second collimator 8, first laser generating assembly and at least one second laser generating assembly; wherein,

[0021] The second laser generating component is used to emit a second laser and irradiate it on the main reflector 1, and the light reflected by the main reflector 1 enters the first beam combining mirror 2, then enters the first collimator 3, and then passes through the two-way Color mirror 4 transmits to form transmitted light;

[0022] The first laser generating component is used to emit the...

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Abstract

The invention discloses a laser beam combination device, which comprises a main reflecting mirror, a first beam combination mirror, a first collimator, a dichroic mirror, an achromatic lens, a diaphragm, a second beam combination mirror, a second collimator, a first laser generation assembly and at least one second laser generation assembly, wherein the second laser generation assembly is used for emitting second laser and irradiating to the main reflecting mirror, and light reflected by the main reflecting mirror gets into the first beam combination mirror, then gets into the first collimator and forms transmitted light through being transmitted by the dichroic mirror; the first laser generation assembly is used for emitting first laser and irradiating to the dichroic mirror, the first laser is reflected by the dichroic mirror to form reflected light, the transmitted light and the reflected light are combined into output light through the dichroic mirror, and the output light sequentially passes through the achromatic lens, the diaphragm, the second beam combination mirror and the second collimator. The laser beam combination device not only can perform beam combination on light beams with two types of wavelengths, but also is high in power of the output laser.

Description

technical field [0001] The invention relates to a laser beam combining device, belonging to the technical field of lasers. Background technique [0002] At present, the advantages of high efficiency, long life, small size and light weight of semiconductor laser make it have a wide range of application prospects. However, limited by the quality of the beam, it is difficult for semiconductor lasers to be used as direct light sources in fields that have high requirements for power, beam quality and brightness. In response to this problem, a series of research on how to improve the power, power density and beam quality of semiconductor lasers has been carried out internationally, and laser beam combining technology has emerged as the times require. However, the existing semiconductor laser fiber beam combining and coupling output technology has one of the biggest disadvantages, that is, it is impossible to achieve high-power coupling output under the premise of maintaining the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/40
CPCH01S5/4012
Inventor 黄伟李丰董建荣张巍巍
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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