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Optical path adjusting device and method of quasi-three-level laser amplifying system

A quasi-three-level laser amplification technology, applied in the laser field, can solve problems such as increasing the difficulty of optical path adjustment, and achieve the effect of meeting the needs of optical path adjustment

Pending Publication Date: 2017-01-25
INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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Problems solved by technology

However, in the laser amplification system, there are as few as a few optical components and as many as hundreds, and the laser wavelength is mostly infrared invisible light, which greatly increases the difficulty of optical path adjustment

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  • Optical path adjusting device and method of quasi-three-level laser amplifying system

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Embodiment Construction

[0021] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0022] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0023] As shown in the figure, the optical path adjustment device of a quasi-three-level laser amplification system in this scheme includes a seed light beam coupling system, a pumping beam coupling system, a quasi-three-level laser gain medium, an imaging lens, a CCD camera and a display Terminal; the seed light emitted by the seed light beam coupling system and the pump light emitted by the pump light beam coupling system are all injected in...

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Abstract

The invention provides an optical path adjusting device and method of a quasi-three-level laser amplifying system. In the scheme, a CDD camera is adopted to collect the fluorescence of a quasi-three-level gain medium, light spots of the fluorescence are analyzed by a display terminal and fed back to control a seed light beam coupling system and a pump light beam coupling system to adjust the seed light and pump light, indirect monitoring and accurate adjustment of the injection position in the gain medium and intensity distribution of the seed light and pump light are realized, and the need for optical path adjustment of the quasi-three-level laser amplifying system is met.

Description

technical field [0001] The invention relates to the field of laser technology, in particular to a quasi-three-level laser amplification system optical path adjustment device and adjustment method. Background technique [0002] The laser amplification system is an important means to achieve high power, narrow linewidth, and high beam quality laser output, and has been extensively studied in the fields of industry, scientific research, and military affairs. Due to the advantages of small quantum deficit, low heat generation ratio and high energy storage density, quasi-three-level laser materials (such as Yb:YAG) can achieve more efficient laser amplification output, so they have become a research hotspot at home and abroad. However, in the laser amplification system, there are as few as a few optical components and as many as hundreds, and the laser wavelength is mostly infrared invisible light, which greatly increases the difficulty of optical path adjustment. How to achieve...

Claims

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Application Information

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IPC IPC(8): H01S3/08H01S3/10H01S3/101
CPCH01S3/08H01S3/10H01S3/101
Inventor 陈小明胡浩姜豪徐浏周唐建李密邬映臣赵娜许晓小葛成良高清松唐淳张凯
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS