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Water-cooled laser coupler

A coupler and water cooling technology, applied in the coupling of optical waveguides, light guides, optics, etc., can solve problems such as failures and heat accumulation of laser couplers, and achieve the effect of ensuring ease of use, low cost, and simple structure

Inactive Publication Date: 2020-03-27
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a water-cooled laser coupler to solve the failure problem and other technical problems caused by heat accumulation when the laser coupler is running at high power

Method used

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  • Water-cooled laser coupler
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Embodiment Construction

[0036] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0037] The first embodiment of the present invention provides a water-cooled laser coupler, specifically, including:

[0038] The water-cooled coupling lens group installation cylinder further comprises: an outer cylinder, which has a water channel, and the water channel is connected to the chiller; and an inner cylinder, which is slidably combined with the outer cylinder.

[0039] In this embodiment, the cooling function is realized by an external chiller, which solves the problem of heat dissipation of the laser coupler when working with high power.

[0040] Based on the above-mentioned water-cooled laser coupler, the second embodiment of the present invention is provided with a differential adjustm...

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Abstract

The invention discloses a water-cooled laser coupler. The water-cooled laser coupler comprises: a water-cooled coupling lens group mounting cylinder fixed on a rear base of the coupler through a differential adjusting screw, wherein the differential adjusting screw is rotated to adjust the transverse position of the water-cooled coupling lens group mounting cylinder; and a front base which is fixedly connected with the rear base of the coupler. The water-cooled coupling lens group mounting cylinder is also connected with the rear base and the inner cylinder through longitudinal screws, and thelongitudinal screws are rotated to adjust the longitudinal position of the water-cooled coupling lens group mounting cylinder. The water-cooled laser coupler disclosed by the invention is applied toa high-power optical fiber coupling output laser, and the problem that the laser coupler cannot work normally due to heat accumulation is solved.

Description

technical field [0001] The invention relates to the technical field of solid-state lasers, in particular to a water-cooled laser coupler. Background technique [0002] Fiber-coupled output solid-state lasers, including semiconductor lasers, are widely used in industrial, medical, military and other fields. Compared with direct output lasers, fiber-coupled output lasers transmit energy through a flexible integrated fiber, which is easier to operate and apply. The key device in the fiber coupling technology is the laser coupler, through which the laser light transmitted in space is coupled in the fiber for transmission. The laser coupler products on the market use a natural cooling structure. In high-power (3000W and above) continuous output laser applications, the laser coupler may overheat and the laser may not emit light normally, and even the fiber input end may be damaged. Therefore, fiber-coupled output lasers require stable and reliable laser couplers. SUMMARY OF T...

Claims

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Application Information

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IPC IPC(8): G02B6/42
CPCG02B6/4204G02B6/4244G02B6/4268G02B6/4296
Inventor 林学春董智勇赵鹏飞常亮李达农光壹林谷宜刘燕楠于海娟
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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