Phase-locked axisymmetric folding combined carbon dioxide laser

A carbon dioxide, laser technology, applied in lasers, laser devices, laser parts and other directions, can solve problems such as difficult to improve, irrelevance, output power limitation, etc.

Inactive Publication Date: 2009-11-04
SICHUAN UNIV
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  • Abstract
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Problems solved by technology

Although the slab waveguide carbon dioxide laser can be directly installed in the processing machine, the laser light source and the machine head are assembled together, but the output power of this type of laser is limited by its structure, and it is difficult to increase the output power of the laser.
In the existing invention patents, although an axisymmetric folding combined high-power carbon dioxide laser has been proposed (invention patent: name: construction method and device of high-power gas laser, application number: 2003101040173 publication date: ), but this The output of each folded cavity of the device is not correlated in phase, only the output beams of the two discharge tubes of the same folded cavity are coherent

Method used

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  • Phase-locked axisymmetric folding combined carbon dioxide laser

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Embodiment Construction

[0006] specific implementation plan

[0007]The core lines of each pair of symmetrically placed discharge tubes intersect at the center point of the inner surface of the output mirror 18, and the inner ends of the output mirror 18 are very close to each other. These discharge tubes and the discharge tubes placed on the shaft are all inserted in a fixed circle. In the one-to-one corresponding round holes of the disc brackets 22, 23, 24, and extend about 1 cm in the direction of the output mirror at 24, the gap between the outer edge of each tube and the corresponding round holes of 22, 23 is about 0.5 mm, Elastic fixation is adopted, and 24 is a disc support made of a stainless steel substrate. Each corresponding hole is connected with a Koval tube, and each Ko valve tube is connected to a discharge tube through a transition joint. The left end of the output mirror support 25 is vacuum-tightly connected, and the right end of the round table support is equipped with an output mi...

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Abstract

The invention relates to a construction method and a device of a large-power phase-locked carbon dioxide laser, in particular to a construction method and a device of obtaining large-power phase-locked carbon dioxide output by the folding combined axisymmetric structural arrangement and the discharge excitation of a plurality of discharge tubes. A quartz discharge tube or a glass discharge tube is arranged on a system shaft, and holophotes are respectively stuck to one end of each quartz or glass discharge tube while the same intersecting point formed by central lines on the inner reflecting surface of a laser output mirror is far away from a folding point; the output mirror is the only output mirror, adopts parallel plane mirrors or a planoconvex lens and is provided with a convergence system at the back, and a convergent cell large-power laser beam is obtained behind the convergence system; laser oscillation in the discharge tubes arranged in pairs is controlled by reflecting a first surface of a first mirror of the convergence system behind the output mirror or with the convex surface of the planoconvex lens, therefore, convergence beams obtained have favorable coherence.

Description

technical field [0001] The present invention relates to laser processing in the fields of optical engineering and modern manufacturing, mainly a method for constructing a phase-locked axisymmetrically folded and combined carbon dioxide laser system by combining an axisymmetrically folded and combined carbon dioxide laser system, an output mirror, a lens and a reflector system and device. Phase-locked axisymmetric folded combined carbon dioxide lasers are mainly used for cutting, welding, drilling, and surface treatment of metal and non-metal materials. Background technique [0002] Laser processing is the use of the excellent directivity and high output power of the laser beam to perform high-precision and rapid processing of metal and non-metal materials. The lasers used for processing were mainly pulsed ruby ​​lasers and neodymium glass lasers before 1967. Later, as the output power of continuous wave oscillating Nd:YAG lasers and carbon dioxide lasers increased, process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/082H01S3/098H01S3/034H01S3/038H01S3/10H01S3/23B23K26/00
Inventor 李育德徐勇根陈梅刘静伦邱毅刘现魁封涛闫廷光高珂高珊付福兴郭伟郭俊平杨元杰
Owner SICHUAN UNIV
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