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Optical parametric amplification system and stabilization method with high carrier envelope phase stability

A technology of optical parametric amplification and stability, used in lasers, laser parts, electrical components, etc.

Active Publication Date: 2019-09-20
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And this kind of CEP drift caused by the environment, crystal temperature, air flow and beam pointing jitter cannot be eliminated by a simple OPA process

Method used

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  • Optical parametric amplification system and stabilization method with high carrier envelope phase stability
  • Optical parametric amplification system and stabilization method with high carrier envelope phase stability
  • Optical parametric amplification system and stabilization method with high carrier envelope phase stability

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Embodiment Construction

[0041]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.

[0042] see first figure 2 , figure 2 It is a structural schematic diagram of a specific embodiment of an optical parametric amplification system with high carrier envelope phase stability according to the present invention. Depend on figure 2 It can be seen that the embodiment of the present invention is a three-stage optical parametric amplification (OPA) system, and the characteristic structure of the present invention is only applied in the third-stage optical parametric amplification process (OPA3), but is not limited to this embodiment.

[0043] Its structure includes: femtosecond laser 1 outputs laser light with a wavelength of 800nm ​​(40fs), passes through three beam splitters, and sequentially reflects the light as the third-stage pumping light, the second-stag...

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Abstract

The invention relates to an optical parameter amplification system with high carrier envelop phase stability and a stabilization method of the optical parameter amplification system. The system is characterized in that fused quartz wedged plate pairs are inserted into an optical parameter amplification pumping light path, and one of the fused quartz wedged plates is placed on a power-driven translation table. By the optical parameter amplification system, idling light output with a stable carrier envelop phase can be achieved, the optical parameter amplification system has the advantage of environmental disturbance resistance, and a light source with the stable carrier envelop phase is provided for the fields of higher harmonics, attosecond physical experiment, a terahertz source and the like.

Description

technical field [0001] The invention relates to optical parametric amplification, in particular to an optical parametric amplification system and a stabilizing method with high carrier envelope phase (hereinafter referred to as CEP) stability. CEP stable light sources are of great significance in the fields of high harmonics, attosecond physics experiments and terahertz sources. Background technique [0002] With the development of ultrashort pulse laser technology, the pulse width of laser has reached the order of period. During the interaction between a period-level strong laser field and matter, CEP largely determines the electric field strength of the instantaneous pulse. In experiments related to instantaneous electric field strength, different CEPs will lead to different physical phenomena, such as: cut-off region energy of high-order harmonics, terahertz waves of few-period infrared photoionizing radiation, attosecond physics, etc. This puts forward higher requireme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/13H01S3/131
Inventor 李娜刘鹏白亚宋立伟
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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