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Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system

A technology of frequency conversion and optical focusing, applied in fusion reactors, climate sustainability, thermonuclear fusion reactors, etc., can solve the problems of unfavorable online replacement of optical focusing and frequency conversion systems, and achieve easy cleaning, online replacement, Meet the effect of frequent replacement

Active Publication Date: 2015-06-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem that the integrated structure of the existing optical focusing and frequency conversion system is not conducive to online replacement, and provides a vacuum controllable high-throughput large-diameter optical focusing and frequency conversion system

Method used

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  • Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system
  • Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system
  • Vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system

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specific Embodiment approach 1

[0025] Specific implementation mode one: the following combination Figure 1 to Figure 5 Describe this embodiment. The vacuum controllable high-throughput large-aperture optical focusing and frequency conversion system described in this embodiment is characterized in that it includes a target window unit 1, a frequency conversion unit 2, a focusing lens unit 3 and a light beam Measurement sampling part 4,

[0026] Between the end of the target window unit part 1 and the housing at the head end of the frequency conversion unit part 2, between the end of the frequency conversion unit part 2 and the housing at the head end of the focusing lens unit part 3, and between the end of the focusing lens unit part 3 and the beam measurement sampling part 4 The shells at the head end are all sealed and connected by flanges. The target window unit 1, the frequency conversion unit 2 and the focusing lens unit 3 form an atmosphere chamber. The focus lens unit 3 and the beam measurement sampl...

specific Embodiment approach 2

[0043] Embodiment 2: This embodiment is a further description of Embodiment 1. The installation position of the phase optical element is preset on the inner wall of the casing of the target window unit 1 .

specific Embodiment approach 3

[0044] Embodiment 3: This embodiment is a further description of Embodiment 1 or 2. The atmosphere chamber works under a vacuum condition of 1000 Pa.

[0045] The working condition of the atmosphere chamber formed by the target window unit 1 , the frequency conversion unit 2 and the focusing lens unit 3 is 1000 Pa vacuum.

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Abstract

The invention relates to a vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system and belongs to the technical field of optical focusing and frequency conversion. The vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system solves the problem that an integral structure of an existing optical focusing and frequency conversion system is not beneficial to on-line replacement. The vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system comprises a target window unit part, a frequency conversion unit part, a focusing lens unit part and a light beam measuring sampling part, wherein the tail end of the target window unit part is in sealing connection with a shell body at the head end of the frequency conversion unit part through a flange, the tail end of the frequency conversion unit part is in sealing connection with a shell body at the head end of the focusing lens unit part through a flange, the tail end of the focusing lens unit part is in sealing connection with a shell body at the head end of the light beam measuring sampling part through a flange, and an atmosphere chamber is formed by the target window unit part, the frequency conversion unit part and the focusing lens unit part. The mechanical structure is designed into a detachable assembly, and rapid replacement of each composition part and each internal assembly can be achieved by a rapid disassembly mechanism through corresponding hatches formed in the shell bodies. The vacuum controllable high-flux heavy-caliber optical focusing and frequency conversion system is applicable to the heavy-caliber optical focusing and frequency conversion.

Description

technical field [0001] The invention relates to a vacuum controllable high-throughput large-aperture optical focusing and frequency conversion system, which belongs to the technical field of optical focusing and frequency conversion. Background technique [0002] Driven by laser fusion technology, the United States, France, China, Russia and other countries around the world are successively building giant laser installations, such as the National Ignition Facility NIF and the megajoule laser LMJ being built in the United States and France respectively. One of the key unit components of the shooting range photoelectric control system of the Shenguang-III laser device being developed in my country is the vacuum controllable high-throughput large-aperture optical focusing and frequency conversion system. The main functions of this system are to complete frequency conversion and harmonic separation. , focusing transmission, focal spot control, and beam sampling, etc., as an optic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G21B1/23
CPCY02E30/10
Inventor 于福利卢礼华张庆春冯滨向勇梁迎春
Owner HARBIN INST OF TECH
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