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Large-aperture laser frequency doubling conversion and focusing device with crystal temperature control function

A frequency doubling conversion and focusing device technology, applied in the direction of lasers, laser components, laser components, etc., can solve the problems of inability to achieve non-critical phase matching, lack of temperature control capabilities, etc., achieve high thermal conductivity, convenient operation, The effect of temperature uniformity

Active Publication Date: 2018-06-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing large-aperture laser frequency doubling conversion and focusing device does not have the temperature control capability and cannot realize non-critical phase matching, the present invention provides a large-aperture laser frequency doubling conversion and focusing device with crystal temperature control function device

Method used

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  • Large-aperture laser frequency doubling conversion and focusing device with crystal temperature control function
  • Large-aperture laser frequency doubling conversion and focusing device with crystal temperature control function
  • Large-aperture laser frequency doubling conversion and focusing device with crystal temperature control function

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specific Embodiment approach 1

[0030] Specific implementation mode one: combine Figure 1 to Figure 14 Describe this embodiment, this embodiment includes focusing lens A, adapter flange B, quadruple frequency conversion module C, first light pipe D, double frequency conversion module E, second light pipe F and bracket G,

[0031] Focusing lens A, adapter flange B, quadruple frequency conversion module C, first light pipe D, double frequency conversion module E and second light pipe F are arranged in sequence from left to right, and focusing lens A and the transfer method The blue B is fixedly connected through the connection element, the adapter flange B is fixedly connected with the quadruple frequency conversion module C through the connection element, the quadruple frequency conversion module C is fixedly connected with the first light pipe D through the connection element, and the first light pipe D and the The double frequency conversion module E is fixedly connected through the connecting element, the...

specific Embodiment approach 2

[0039] Specific implementation mode two: combination Figure 3 ~ Figure 6 To illustrate this embodiment, the first aluminum alloy rectangular frame body 9 of this embodiment is composed of an upper plate 9-1, a lower plate 9-2 and two side plates 9-3 to form a four-cavity rectangular frame body, and the upper plate 9-1 Set up and down with the lower plate 9-2, two side plates 9-3 are set on both sides of the upper plate 9-1 and the lower plate 9-2, and several lower shunt holes 9-2-1 are arranged on the lower plate 9-2 , the side plate 9-3 is provided with several side distribution holes 9-3-1, the several lower distribution holes 9-2-1 correspond to and communicate with the several side distribution holes 9-3-1,

[0040] The upper plate 9-1 is composed of the first upper plate 9-1-1 and the second upper plate 9-1-2, and the lower end surface of the first upper plate 9-1-1 is provided with a main water inlet channel 9-1-1 -1. Main water outlet channel 9-1-1-2, several water i...

specific Embodiment approach 3

[0041] Specific implementation mode three: combination Image 6 To describe this embodiment, the cross-sections of the main water inlet channel 9-1-1-1 and the main water outlet channel 9-1-1-2 in this embodiment along the length direction are all variable sections. Both the main water inlet flow channel 9-1-1-1 and the main water outlet flow channel 9-1-1-2 are triangular flow channels. Such setting can ensure that the water volume of each circulating water channel is the same, the temperature of the tank wall is uniform, and it is convenient to ensure that the pressure of the incoming water is more uniform and the return water is smoother. Other components and connections are the same as those in the second embodiment.

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Abstract

A large-aperture laser frequency multiplication conversion and focusing device with a crystal temperature regulating and control function solves the problems that large-aperture laser frequency multiplication conversion and focusing devices in the prior art do not have the temperature regulating and control function and cannot achieve non-critical phase matching. A focusing lens, an adapting flange, a quadruple frequency conversion module, a first light pipe, a double frequency conversion module and a second light pipe are arranged from left to right one by one. The focusing lens is fixedly connected with the adapting flange which is fixedly connected with the quadruple frequency conversion module fixedly connected with the first light pipe. The first light pipe is fixedly connected with the double frequency conversion module which is fixedly connected with the second light pipe. The quadruple frequency conversion module and the double frequency conversion module are fixed on a support. The quadruple frequency conversion module employs dual temperature control technology to achieve conversion from double frequency to quadruple frequency. The focusing lens achieves focusing of high-energy laser. The device is used for frequency multiplication conversion of high-flux large-aperture laser.

Description

technical field [0001] The present invention relates to a frequency doubling conversion technology of a large-diameter beam laser, in particular to a large-diameter laser frequency doubling conversion and focusing device with a crystal temperature control function. The frequency doubling conversion device can obtain high-energy laser with high conversion efficiency and can realize focusing. Background technique [0002] Inertial confinement fusion is one of the main ways to realize controllable thermonuclear fusion energy, and this research has made important progress worldwide. The focusing and frequency conversion system is located at the end of the entire inertial confinement fusion device. Frequency doubling conversion technology is an important method to obtain high-energy lasers, mainly through the frequency doubling effect of nonlinear optical crystals such as KDP crystals, DKDP crystals, and ADP crystals. frequency, high-energy lasers. Since the crystal has high te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/109H01S3/101H01S3/02
Inventor 于福利张鹏卢礼华白清顺孙付仲
Owner HARBIN INST OF TECH
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