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Optical fiber laser outputting head

A fiber laser and output head technology, applied in the laser field, can solve the problems of high maintenance cost, high loss, low isolation, etc., and achieve the effect of low maintenance cost, reduced loss, and improved isolation

Active Publication Date: 2013-11-20
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

[0006] The purpose of the embodiments of the present invention is to provide a fiber laser output head to solve the existing technical problems of low isolation, high loss and high maintenance cost of the fiber laser output head

Method used

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  • Optical fiber laser outputting head

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Embodiment Construction

[0044] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be practiced.

[0045] Please refer to figure 1 , figure 1 It is a structural schematic diagram of a preferred embodiment of the fiber laser output head of the present invention. The fiber laser output head 10 of this preferred embodiment includes an output fiber 11 , an end cap 12 , a fiber guide sleeve 13 , a guide sleeve holder 14 , an optical lens 15 , a lens holder 16 and an optical window 17 .

[0046] Wherein the output optical fiber 11 is used for outputting laser signals. The end cap 12 is arranged at the end of the output optical fiber 11, and is used to optimize the output of the output optical fiber 11. Specifically, the optical power density at the output end is reduced by expanding the output laser beam, and at the same time, a special end face angle design can be used to reduce the output. The ec...

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Abstract

The invention provides an optical fiber laser outputting head, which comprises an outputting optical fiber, an end cap, an optical fiber guide sleeve and a guide sleeve fixing seat. The end cap is arranged on the tail end of the outputting optical fiber and is used for carrying out optimization treatment on output of the outputting optical fiber; the optical fiber guide sleeve is used for guiding the outputting optical fiber, and the outside end surface of the optical fiber guide sleeve is aligned with or slightly higher than the outside end surface of the end cap; the guide sleeve fixing seat is used for fixing the optical fiber guide sleeve, and a first fixing structure for movably fixing the outputting optical fiber is arranged on the guide sleeve fixing seat. By adopting the optical fiber laser outputting head, the fixed cooling on the outputting optical fiber is realized according to the matching structure of the end cap and the optical fiber guide sleeve, the isolation degree of the optical fiber laser outputting head is promoted, the loss of the optical fiber laser outputting head is reduced, and meanwhile the maintenance cost of the optical fiber laser outputting head is lower.

Description

technical field [0001] The invention relates to the field of lasers, in particular to an optical fiber laser output head. Background technique [0002] In the existing high-power continuous fiber laser, the water-cooled laser output head is mostly used, that is, the fiber end cap made of quartz block is fixed in the transparent quartz tube, and the cooling water is between the outside of the transparent quartz tube and the assembly machine. Flow in the gap between them, so as to take away the heat caused by the reflected light or scattered light on the metal machining parts. [0003] However, the shortcomings of this water-cooled laser output head are also obvious. First, the water quality requirements for cooling water are high. If the cooling water has scale on the gap wall outside the transparent quartz tube, it will cause reflected light or scattered light to be impenetrable. The quartz tube will cause a large amount of heat to accumulate in the scale, which may damage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/42
Inventor 陈建飞吕启涛马淑贞吕凤萍张凤杰金艳丽高云峰
Owner HANS LASER TECH IND GRP CO LTD
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