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Truss-beam folding seal-quasi kilowatt grade CO2 laser

A truss-type, laser technology, applied in the direction of lasers, laser parts, laser parts, etc., can solve the problems of inconvenient cutting and inconvenient, and achieve the effect of good stability, compact structure and high-quality laser output

Inactive Publication Date: 2008-05-21
李力钧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] (2) The reflector lens with a 45° incident angle on both sides has a polarizing effect, and the linearly polarized light in the vertical direction is obtained, which is not convenient for cutting; when cutting, the effect is different in different directions, and it needs to be converted into downward circularly polarized light, as This requires the use of three mirrors for conversion, which is very inconvenient

Method used

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  • Truss-beam folding seal-quasi kilowatt grade CO2 laser
  • Truss-beam folding seal-quasi kilowatt grade CO2 laser
  • Truss-beam folding seal-quasi kilowatt grade CO2 laser

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Embodiment Construction

[0041] According to accompanying drawing and laser of the present invention of above-mentioned structure, left support 14 and right support 15 are micro-expansion alloy supports, and discharge tube is divided into four sections (as image 3), each section is 7.5m long, including three 2.5m long discharge tubes, the reflector 2 at both ends adopts a spherical mirror, and the middle adopts two plane mirrors 1, and the spherical mirror is an R30m gold-plated copper mirror. The calculated fundamental mode beam diameter on the spherical mirror is 15mm, and the inner diameter of the discharge tube is 26mm. The calculated optimal reflectivity of the window is 30%. Considering that the refractive index of GaAs is 3.2766 and the single-sided reflectivity is 28%, the GaAs window is directly coated with anti-reflection coating only on the outer surface, and there is no film loss on the inner surface. long life.

[0042] Gas storage pipe 3 is designed as figure 1 The two shown (connecte...

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Abstract

The invention relates to a truss foldable sealing kilowatt CO2 laser, wherein two sides of two trusses both have six quartz discharge tubes connected via mirrors, while first end is output window, another end is mounted with resonance chamber mirror; the fifth quartz of first side has discharge end connected to the discharge end of sixth quartz via mirror, while the discharge end of fifth quartz at another side is connected to discharge tube of sixth quartz via mirror; another ends of two quartz discharge tubes are connected via mirror; therefore, it can form truss solid foldable structure formed by twelve quartz discharge tubes, while the angle between two nearby quartz discharge tubes is 9-12degree; one end of gas storage tube is through to the first end of first quartz discharge tube, while its last end is mounted with gate. The invention has high stability and compact structure, to obtain high power.

Description

technical field [0001] The invention relates to a gas laser, and further refers to a quasi-sealed high-power carbon dioxide laser. Background technique [0002] Utility model patent No. 94226255.7 discloses a "truss-type quartz tube folded gas laser" successfully developed by the inventor earlier. This laser provides an effective folded structure with good stability, compact structure, and can obtain high-quality And the characteristics of higher power laser output. However, since this laser system uses ten quartz discharge tubes, and every five discharge tubes are connected to form a five-fold planar quartz discharge tube system through a reflector, the two tubes are formed by connecting the optical path through two 45° reflectors. So the problems are: [0003] (1) Each tube is independently excited, and 10 tubes are not an integer multiple of three, which makes the three-phase grid unbalanced. In the case of the same circuit parameters, the excitation current is differen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/02H01S3/03H01S3/223
Inventor 李力钧
Owner 李力钧
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