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Large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing

A technology of frequency conversion and frequency doubling conversion, applied in light demodulation, optics, lasers, etc., can solve the problem of large-aperture laser frequency doubling conversion and focusing devices that do not have temperature control capabilities, damage crystals, and cannot monitor frequency doubling lasers online Quality and conversion efficiency and other issues, to achieve the effect of compact structure, complete functions, and convenient sampling

Active Publication Date: 2015-12-16
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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  • Large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing
  • Large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing
  • Large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light 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 direction of light emission, 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. The micro-drive mechanism 701 passes through the first frame body 704 and is connected to the upper or lower part of the second frame body 706. The yaw micro-drive mechanism 701 realizes the vertical swing of the second frame body 706 through the yaw-rotation connection pair. The inner frame 708 Installed in the second frame body 706, the inner frame 708 and the...

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Abstract

The invention provides a large-aperture crystal frequency-doubling conversion device realizing frequency conversion and light beam focusing, relates to the large-aperture crystal frequency-doubling conversion device, and aims to solve the problem that an existing large-aperture laser frequency-doubling and focusing device does not have a temperature regulation and control function, an existing device obtaining Thomson probe light based on the frequency-doubling effect and laser focusing fails to monitor the quality of frequency-doubling lasers on line and an online replacing device is simplified and damages a crystal, a lens and window glass. The large-aperture crystal frequency-doubling conversion device comprises a doubled-frequency conversion module, a fourfold-frequency conversion module, a fourfold-frequency lens transition member and a focusing lens. The doubled-frequency conversion module, the fourfold-frequency conversion module, the fourfold-frequency lens transition member and the focusing lens are successively arranged along the light emission direction. The fourfold-frequency conversion module further comprises a fourfold-frequency temperature control window assembly, a second temperature control box body, a first temperature control box body, a fourfold-frequency target window guiding assembly and a fourfold-frequency calorimeter. The large-aperture crystal frequency-doubling conversion device is used for frequency conversion and focusing of large-aperture 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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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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