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Seed-injected single-longitudinal-mode and double-pulse laser and control method

A laser and double-pulse technology, applied in lasers, phonon exciters, laser components, etc., can solve problems such as poor system reliability, increased drive requirements, and reduced service life, achieving high frequency stability and stable pointing High performance and long service life

Inactive Publication Date: 2016-06-29
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

Moreover, piezoelectric ceramics with high repetition frequency will increase the driving requirements, the response will gradually deteriorate, and the service life will decrease, which will lead to poor system reliability.

Method used

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  • Seed-injected single-longitudinal-mode and double-pulse laser and control method
  • Seed-injected single-longitudinal-mode and double-pulse laser and control method

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited thereby.

[0033] first please refer to figure 1 , figure 1 It is a schematic diagram of the structure of the seed-injected single longitudinal mode double-pulse laser of the present invention. It can be seen from the figure that the seed-injected single-longitudinal-mode double-pulse laser of the present invention includes four parts: an L-shaped resonator, a pump source, a seed source, and a circuit control system:

[0034] The L-shaped resonant cavity includes a rear cavity mirror 1-1 and a coupling output mirror 1-10, and the Q-switching crystal 1 is in sequence from the rear cavity mirror 1-1 to the coupling output mirror 1-10 in the L-shaped cavity -2, the first quarter-wave plate 1-3, the Brewster angle polarizer 1-4 for oscillating laser transmission, the beam splitter 1-5, ...

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Abstract

A seed injection single longitudinal mode double-pulse laser and a control method include four parts: an L-shaped resonant cavity, a pump source, a seed source, and a circuit control system. The laser of the invention can guarantee 100% single longitudinal mode output, and has the characteristics of high energy stability, high frequency stability, high pointing stability, strong anti-interference ability, long service life and compact structure.

Description

technical field [0001] The invention relates to a single longitudinal mode laser, in particular to a seed injection single longitudinal mode double pulse laser and a control method. Background technique [0002] Since the industrial revolution, the increase in greenhouse gas content has caused global warming, which has become one of the most important environmental issues at present. CO 2 As the most important gas that produces the greenhouse effect, it is necessary to measure its concentration with high precision for the study of global climate change. Differential absorption lidar as a method for acquiring CO 2 The active remote sensing detection technology distributed in the vertical direction has the advantages of large detection range, high spatial resolution, real-time continuous monitoring and high measurement accuracy. The single longitudinal mode double pulse laser is used as the pump source of the differential absorption radar system emission source, and the opt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/08H01S3/10H01S3/137H01S3/115
CPCH01S3/08H01S3/10084H01S3/115H01S3/137
Inventor 朱小磊张俊旋马秀华李世光谢小兵高永飞魏大康董怡静
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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