Laser Focus Adjustment System Realizing 360° Interaction with Oriented Beamlines

A focus adjustment and beam line technology, applied in laser welding equipment, metal processing equipment, welding equipment, etc., to achieve the effect of simple optical path, stable structure and high efficiency

Active Publication Date: 2022-04-01
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

If the focus adjustment optical path of the laser is built based on the general method, not only need to face the cost problem caused by processing a large number of ultra-large optical lenses and ultra-large vacuum cavity, but also face the difficulty of flexibly adjusting the optical path to realize the multi-dimensional alignment with the directional beamline. The Dilemma of the Experimental Requirements of Isotype Interactions

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  • Laser Focus Adjustment System Realizing 360° Interaction with Oriented Beamlines
  • Laser Focus Adjustment System Realizing 360° Interaction with Oriented Beamlines
  • Laser Focus Adjustment System Realizing 360° Interaction with Oriented Beamlines

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[0025] In order to make the above-mentioned advantages of the present invention clearly understandable, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the present invention should not be limited to the following specific implementation content, and those skilled in the art should understand the present invention from the spirit embodied in the following embodiments, and each technical term can be based on the spirit of the present invention. Do the broadest understanding.

[0026] figure 1 Shown is a schematic structural diagram of a laser focus adjustment system for realizing 360° position-type interaction with a directional beamline according to the present invention. Fig. 2 shows the specific laser beam focusing optical path and laser and directional beam line alignment optical path in the present invention. As shown in the two figures, the present invent...

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Abstract

A laser focus adjustment system that realizes 360-degree interaction with a directional beamline, including a focus optical path, a focal spot detection and alignment system, and a vacuum cavity. In the present invention, the laser initially propagates vertically from top to bottom, the optical axis is s, the directional beamline propagates along the horizontal direction, the central axis is t, and the axes s and t intersect at point O (fixed laser focal spot position). The present invention utilizes plane mirror (reflection angle is M, 45 °

Description

technical field [0001] The invention relates to the field of interaction between relativistic laser and plasma, specifically, it is a device for completing laser focusing and realizing 360° interaction with another directional beamline. Background technique [0002] In recent years, with the vigorous development of laser technology, especially the invention of chirped pulse amplification technology, the laboratory has been able to obtain more than 10 22 W / cm 2 , Relativistic intensity laser pulse with a single pulse width less than 10fs, such a strong laser can rapidly ionize matter to form plasma, and the interaction between laser and matter enters the field of strong relativistic nonlinear optics. Through laser plasma interaction, high-quality (high energy, high current intensity, low energy dispersion, high collimation) electron sources, ion sources and X / gamma ray sources can be obtained. Such particle sources are used in biomedicine, chemical materials, high energy phy...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/046B23K26/06B23K26/70
CPCB23K26/046B23K26/0643B23K26/702
Inventor 沈百飞徐同军
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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