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Multi-single-tube high-power fiber-coupled semiconductor laser

A single-tube laser and optical fiber coupling technology, which is applied in semiconductor laser devices, laser devices, devices for controlling laser output parameters, etc., can solve the problems of high assembly requirements, complicated adjustment, long optical path, etc., and achieve good quality and high Power, reducing the effect of laser transmission optical path

Inactive Publication Date: 2015-08-12
浙江合波光学科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the structure of this design is relatively simple, due to the relatively long optical path and large size, it has high requirements for assembly, and the adjustment will become complicated

Method used

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  • Multi-single-tube high-power fiber-coupled semiconductor laser
  • Multi-single-tube high-power fiber-coupled semiconductor laser
  • Multi-single-tube high-power fiber-coupled semiconductor laser

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Embodiment Construction

[0030] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Although the invention is described in connection with the following preferred embodiments, the invention is not limited to these embodiments. Well-known methods, procedures, procedures, elements and structures may not have been described in detail in order to avoid obscuring the essence of the present invention.

[0031] Additionally, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

[0032] Unless the context clearly requires, throughout the specification and claims, "comprises", "comprises" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive meaning; that is, "including but not limited to" meaning.

[0033] In the description of the present invention, it should be understood that the ter...

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Abstract

The present invention discloses a multi-single-tube high-power fiber-coupled diode laser which comprises a shell, two oppositely arranged semiconductor laser groups for generating two groups of N parallel beams, a reflector group which is between the two semiconductor laser groups and is used for combining two groups of N parallel beams to be a nearly square light spot, and a coupling lens for coupling the light spot to an optical fiber. According to the laser, the laser transmission optical path can be reduced, thus a package structure is compact, the adjustment is convenient, the correction of errors caused by laser chip assembly and beam collimation is facilitated, and thus a light beam with high power and good quality is obtained.

Description

technical field [0001] The invention relates to a semiconductor laser, in particular to a multi-single-tube high-power fiber-coupled semiconductor laser. Background technique [0002] As a new generation of lasers, semiconductor lasers are widely used in industrial processing, military, medical, security and other fields due to their advantages of high efficiency, long life, and small size. With the vigorous development of fiber lasers and the continuous improvement of the demand for high-power fiber laser pump sources, the rapid development of high-power, high-beam quality semiconductor lasers has also been promoted. At present, there are mainly two types of semiconductor lasers on the market, namely single-tube semiconductor lasers and multiple single-tube semiconductor lasers. Most single diode lasers are suitable for low power applications. In high-power occasions, multiple single-tube semiconductor lasers are often used, such as figure 1 Shown is the axial stepped st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S5/06H01S5/40
Inventor 钟砚超吕张勇
Owner 浙江合波光学科技有限公司
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