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A Large Aperture Crystal Frequency Doubling Conversion Device Realizing Frequency Conversion and Beam Focusing

A technology of frequency conversion and frequency doubling conversion, which is applied in the direction of optical demodulation, optics, lasers, etc., and can solve the problem of inability to monitor the quality and conversion efficiency of frequency doubling lasers online, large-aperture laser frequency doubling conversion and focusing devices without temperature control Capability, damage to the crystal and other problems, to achieve the effect of compact structure, complete functions and convenient operation

Active Publication Date: 2018-03-27
HARBIN INST OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention is to solve the problem that the existing large-aperture laser frequency doubling conversion and focusing device does not have temperature control capability, and the existing device based on crystal frequency doubling effect and laser focusing to obtain high-energy Thomson probe light cannot monitor frequency doubling on-line The quality and conversion efficiency of the laser and the online replacement device simplify the problem of damage to the crystal, lens and window glass, and then provide a large-diameter crystal frequency conversion device for frequency conversion and beam focusing

Method used

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  • A Large Aperture Crystal Frequency Doubling Conversion Device Realizing Frequency Conversion and Beam Focusing
  • A Large Aperture Crystal Frequency Doubling Conversion Device Realizing Frequency Conversion and Beam Focusing
  • A Large Aperture Crystal Frequency Doubling Conversion Device Realizing Frequency Conversion and Beam Focusing

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specific Embodiment approach 1

[0016] Specific implementation mode one: combine Figure 1-Figure 22 To illustrate, a large-diameter crystal frequency doubling conversion device for realizing frequency conversion and beam focusing in this embodiment includes a frequency doubling conversion module 101, a frequency doubling conversion module 102, a frequency doubling lens transition piece 103 and a focusing lens 1 ;

[0017] The double frequency conversion module 101 includes a double frequency angle adjustment mechanism 104, and the double frequency angle adjustment mechanism 104 includes a double frequency supine drive assembly 805 and a double frequency yaw drive assembly 801;

[0018] The quadruple frequency conversion module 102 includes a quadruple frequency angle adjustment mechanism 504, and the quadruple frequency angle adjustment mechanism 504 includes a quadruple frequency pitch drive assembly 705 and a quadruple frequency swing drive assembly 701;

[0019] The frequency doubling conversion module ...

specific Embodiment approach 2

[0023] Specific implementation mode two: combination Figure 5 Explain that the quadruple frequency target window guide assembly 404 of this embodiment includes a vacuum window glass assembly 602, a lens roller 605, a quadruple frequency window frame 603 and two quadruple frequency target chamber vacuum window guide plates 601; Between the vacuum window guide plates 601 of the frequency doubling target chamber, there is a quadruple frequency window frame 603 arranged obliquely. The vacuum window glass assembly 602 is installed in the quadruple frequency window frame 603. Lens rollers 605 are installed, and roller grooves 6011 are provided on the opposite sides of the vacuum window guide plates 601 of the two quadruple frequency target chambers. The lens rollers 605 are arranged in the roller grooves 6011 and can roll up and down in the lens roller grooves 6011. The double frequency window frame 603 is packaged on the flange 506 of the first temperature control box 403 . The v...

specific Embodiment approach 3

[0024] Specific implementation mode three: combination Figure 6-Figure 9 Note that the quadruple frequency angle adjustment mechanism 504 of this embodiment also includes a first frame body 704, a second frame body 706, a third frame body 707, a frequency quadruple inner frame 708, and a frequency quadruple crystal assembly 11-7. The first frame body 704, the second frame body 706 and the third frame body 707 are sequentially connected along the light direction, and the second frame body 706 is provided with a yaw rotation connection pair connected with the first frame body 704 in the horizontal direction, four times The frequency swing drive assembly 701 passes through the first frame body 704 and is connected to the upper or lower part of the second frame body 706. The quadruple frequency swing drive assembly 701 realizes the vertical swing of the second frame body 706 through the yaw rotation connection pair. The frame 708 is installed in the second frame body 706, and the...

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Abstract

A large-aperture crystal frequency doubling conversion device for realizing frequency conversion and beam focusing, which relates to a large-aperture crystal frequency doubling conversion device to solve the problem that the existing large-aperture laser frequency doubling conversion and focusing devices do not have temperature control capabilities, and The existing device based on crystal frequency doubling effect and laser focusing to obtain high-energy Thomson probe light has the problem of being unable to monitor the quality and conversion efficiency of the frequency doubling laser on-line and to simplify the damage of crystals, lenses and window glass by on-line replacement devices. It includes two The frequency doubling conversion module, the quadruple frequency conversion module, the quadruple frequency lens transition piece and the focusing lens; The secondary setting; the quadruple frequency conversion module also includes a quadruple frequency temperature control window assembly, a second temperature control box body, a first temperature control box body, a quadruple frequency target window window guide assembly and a quadruple frequency card meter. The invention is used for frequency conversion and focusing of large-caliber high-energy laser beams.

Description

technical field [0001] The invention relates to a large-aperture crystal frequency multiplication conversion device, which is used for the development of high-energy Thomson probe light, through the double frequency conversion module working in the angle matching mode and the quadruple frequency conversion working in the non-critical phase matching mode The module realizes the high-efficiency conversion of high-energy laser, and realizes the focusing of high-energy beam through the quadrupling frequency lens module. Background technique [0002] Frequency doubling conversion technology is an important method to obtain a fixed wavelength laser, which is mainly obtained through the frequency doubling effect of crystals such as KDP, DKDP, ADP, etc. After literature search, the Chinese invention patent application with application number 201310156653.4 proposed a hybrid Frequency crystal four-dimensional high-precision adjustment mechanism, which uses a supine posture adjustment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/109G02F1/35G02F2/02
Inventor 张鹏卢礼华于福利刘保麟孙付仲
Owner HARBIN INST OF TECH
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