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Control device for laser constant power output and laser processing device

A control device and laser power technology, which is applied to laser monitoring devices, lasers, laser components, etc., can solve problems such as unstable power output and slow adjustment process

Inactive Publication Date: 2019-10-01
HANS LASER TECH IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a control device for constant power output of lasers and laser processing equipment for the problems of slow adjustment process and unstable power output in the exemplary control mode of constant power output of lasers.

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  • Control device for laser constant power output and laser processing device
  • Control device for laser constant power output and laser processing device
  • Control device for laser constant power output and laser processing device

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Embodiment Construction

[0039] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

[0041] see figure 1 , figure 1 It is a system structure diagram of a control devic...

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Abstract

The invention relates to a control device for laser constant power output and a laser processing device. The control device emits a laser beam through a laser, a power detection module rapidly detectsa single pulse energy signal value of the laser beam, a power correction module obtains a power correction value according to the single pulse energy signal value and a preset laser power value, andtherefore, the laser is controlled to output a laser beam with constant power according to the power correction value. In the detection process, the single pulse energy signal value can reflect the pulse laser energy of each time point, and therefore, the accuracy of detection is improved. The entire control process is simple and fast, and the function of the quick, accurate and stable power output of the laser can be achieved.

Description

technical field [0001] The invention relates to the field of laser control, in particular to a control device for constant power output of a laser and laser processing equipment. Background technique [0002] With the development of laser technology, the application fields of laser processing are becoming wider and wider. At the same time, the requirements for fine and precise processing of laser processing are getting higher and higher, so the requirements for the stability of laser output power are also getting higher and higher. However, during the use of the laser, the laser power may experience different degrees of power attenuation over time, as well as some other unstable factors. Constant power output has become an important performance index of lasers. [0003] The exemplary constant power output control method is generally adjusted by using the detected average power value as a feedback signal. The adjustment process is slow and prone to interference, so the outpu...

Claims

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Application Information

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IPC IPC(8): H01S3/13H01S3/00
CPCH01S3/0014H01S3/1305H01S3/1306
Inventor 黄剑威曹洪涛吕启涛高云峰
Owner HANS LASER TECH IND GRP CO LTD
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