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Pre-charging quick-start fiber laser

A fiber laser and fast start-up technology, which is applied in the laser field, can solve the problems of unstable initial laser energy, long pulse establishment time, and affecting the quality of laser processing, so as to achieve stable laser output requirements, reduce establishment time, and improve laser processing quality Effect

Pending Publication Date: 2022-02-11
湖北久之洋信息科技有限公司
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Problems solved by technology

However, in the processing of photosensitive materials, due to the instability of the initial laser energy, the pulse build-up time is too long, and there will be virtual points or gradient chromatic aberrations in the initial stage of laser processing, which will affect the quality of laser processing

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] see figure 1 , a pre-charged fast-start fiber laser, which includes a control system 1, a drive system 2, a seed source laser 3, a low-power photoelectric isolator 4, a pre-amplification stage active fiber 5, a first-stage optical coupler 6, an isolation Filter 8 , main amplifier stage active optical fiber 9 , second stage optical coupler 10 , isolator 12 , first pumping diode 7 , second pumping diode 11 .

[0029] The control system 1 is connected with the driving system 2, and the driving system 2 is respectively connected with the seed source laser 3, the first pumping diode 7, and the s...

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Abstract

The invention discloses a pre-charging quick-start fiber laser which comprises a control system, the control system is connected with a driving system, and the driving system is connected with a seed source laser, a first pumping diode and a second pumping diode. The seed source laser, a low-power optoelectronic isolator, a pre-amplification stage active optical fiber, a first-stage optical coupler, an isolation filter, a main amplification stage active optical fiber, a second-stage optical coupler and an isolator are connected in sequence, and the isolator outputs finally amplified laser; the first-stage optical coupler is connected with the output end of the first pumping diode; and the second-stage optical coupler is connected with the output end of the second pumping diode. The first pulse delay energy of the seed source laser and the pumping diode is controlled through the control system, so that the active optical fiber is pre-charged, the rapid establishment of the laser pulse is ensured, and the laser processing quality is improved.

Description

technical field [0001] The invention belongs to the field of laser technology, and in particular relates to a pre-charged fast-start fiber laser. Background technique [0002] Due to the advantages of high brightness, narrow pulse width, high photoelectric conversion efficiency, and easy maintenance, fiber lasers are widely used in industrial processing. However, in the processing of photosensitive materials, due to the instability of the initial energy of the laser, the pulse build-up time is too long, and there will be virtual points or gradient chromatic aberrations in the initial stage of laser processing, which will affect the quality of laser processing. Therefore, we urgently need a new fiber laser to improve the quality of laser processing. Contents of the invention [0003] The purpose of the present invention is to provide a pre-charged fast start fiber laser, the laser can be quickly started through pre-charged and the energy is stable, thereby improving the qu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/067H01S3/0933H01S3/13
CPCH01S3/06729H01S3/06758H01S3/0933H01S3/13013
Inventor 胡锐峰彭堂超王鹏洪普王寿增胡冬至
Owner 湖北久之洋信息科技有限公司
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