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Multi-pulse regenerative amplification laser system

A regenerative amplification, multi-pulse technology, applied in lasers, laser devices, laser parts, etc., can solve the problems of inability to support multi-pulse amplification, low single-pulse energy, etc., to achieve uniform amplification and energy improvement.

Active Publication Date: 2021-04-09
北京欧屹科技有限公司
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Problems solved by technology

However, the single-pulse energy achieved by mode-locking is relatively low, and it is generally amplified by regenerative amplification technology to provide higher single-pulse energy
[0003] In the process of realizing the present invention, the applicant found that the traditional regenerative amplification laser system can only support single-pulse amplification, but cannot support multi-pulse amplification

Method used

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  • Multi-pulse regenerative amplification laser system

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Embodiment Construction

[0048] In the present invention, by adding a pulse selector in the laser system, combined with the improvement of the cavity length of the regenerative amplification resonant cavity and the improvement of the pumping and amplifying module, the controllable introduction of multiple seed pulses into the regenerative amplifying resonant cavity and the regeneration and amplifying resonant cavity Multiple laser pulses are generated by mid-regeneration amplification, which greatly improves the output energy of the laser system.

[0049] 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 combination with specific embodiments and with reference to the accompanying drawings.

[0050] In an exemplary embodiment of the present invention, a multi-pulse regeneratively amplified laser system is provided. figure 1 It is a schematic structural diagram of a laser system for multi-pu...

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Abstract

The invention provides a multi-pulse regenerative amplification laser system. The multi-pulse regenerative amplification laser system comprises a seed source, a pulse selector, a multi-pulse regenerative amplification module and a controller, wherein the seed source is used for generating a seed light pulse sequence; the pulse selector is used for controllably selecting one or N seed light pulses from the seed light pulse sequence under the control of the controller, and the N is greater than or equal to 2; and the multi-pulse regenerative amplification module is used for regenerating and amplifying the one or more seed light pulses selected by the pulse selector. By designing a multi-pulse selector and improving a regenerative amplification resonant cavity, a problem that only one seed light pulse is introduced into an existing regenerative amplifier laser system for amplification is solved, high-repetition-frequency multi-pulse-string output can be achieved, and the energy of an output laser is greatly improved.

Description

technical field [0001] The invention relates to the technical field of lasers in the optical industry, in particular to a multi-pulse regenerative amplification laser system. Background technique [0002] Ultrashort pulse has the characteristics of picosecond and femtosecond pulse width, high repetition rate and high peak power, etc. It has a wide range of fields in physics, biology, medicine, laser spectroscopy, optical communication and laser fine processing the use of. The generation of ultrashort pulses is achieved by mode locking. However, the single-pulse energy achieved by mode-locking is relatively low, and it is generally amplified by regenerative amplification technology to provide higher single-pulse energy. [0003] During the process of realizing the present invention, the applicant found that the traditional regenerative amplification laser system can only support single-pulse amplification, but cannot support multi-pulse amplification. Contents of the inve...

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Application Information

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IPC IPC(8): H01S3/11H01S3/115H01S3/23H01S3/06H01S3/08H01S3/0941
CPCH01S3/1118H01S3/115H01S3/2325H01S3/0941H01S3/0623H01S3/08018
Inventor 鲁涛王素清王新波
Owner 北京欧屹科技有限公司
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