Vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment

An X-ray and dynamic sealing technology, applied in the field of nuclear measurement devices, can solve problems such as poor time resolution, large error in measurement results, and distortion, and achieve the effect of solving air absorption

Pending Publication Date: 2021-01-05
SOUTHWESTERN INST OF PHYSICS
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Problems solved by technology

Soft X-ray measurement often encounters the following problems: (1) Air absorption, due to the low energy of soft X-rays, its penetrating ability is poor. Attenuation of 10%, soft X-ray measurement must be carried out in a vacuum environment; (2) Soft X-ray collimation, the accuracy of soft X-ray collimation determines the position information accuracy of soft X-ray measurement results; (3) Soft X-ray The ray flux

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  • Vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment
  • Vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment
  • Vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] At present, soft X-ray measurements of existing magnetic confinement nuclear fusion devices usually encounter three problems: soft X-rays are absorbed by air, soft X-rays are collimated, and soft X-ray flux is adjusted. These three problems can lead to errors in measurement results. become larger, or even completely distorted. To solve these three problems, the present invention provides a set of vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment.

[0021] Such as figure 1 As shown, a vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment, which includes: a vacuum system, a beryllium window regulator and a pinhole regulator, and the two sides of the beryllium window regulator are respectively connected to the vacuum system and the pinhole regulator. The regulator connectio...

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Abstract

The invention discloses a vacuum dynamic sealing mechanism for soft X-ray collimation and flux regulation. The mechanism comprises a vacuum system, a beryllium window regulator and a pinhole regulator, two sides of the beryllium window regulator are respectively connected with the vacuum system and the pinhole regulator, and through the vacuum system, the beryllium window regulator and the pinholeregulator, an integrated structure of soft X-ray collimation and flux adjustment is realized. The mechanism has the advantages that a vacuum pipeline, a pinhole adjuster and a beryllium window adjuster are adopted, the problems of air absorption, collimation, flux adjustment and the like which are often met in soft X-ray measurement are effectively solved at the same time, and the mechanism is quite suitable for a magnetic confinement nuclear fusion device.

Description

technical field [0001] The invention belongs to a nuclear measurement device, in particular to a vacuum dynamic sealing mechanism for soft X-ray collimation and flux adjustment, and is especially suitable for a soft X-ray diagnosis system of a magnetic confinement nuclear fusion device. Background technique [0002] During the operation of the magnetic confinement nuclear fusion device, electrons in the plasma will produce bremsstrahlung due to Coulomb collisions, and a large amount of soft X-rays will be emitted. By measuring soft X-rays, a wealth of plasma information can be obtained, such as: electron temperature, electron velocity distribution, impurities in the plasma, etc. Therefore, the soft X-ray measurement system is one of the most important routine diagnostics for magnetic confinement fusion devices. [0003] The soft X-ray measurement system of the magnetic confinement nuclear fusion device uses a semiconductor detector. The basic principle of the measurement is...

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Application Information

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IPC IPC(8): G01T7/00F16L23/16F16L23/22
CPCF16L23/16F16L23/22G01T7/00
Inventor 张轶泼李旭
Owner SOUTHWESTERN INST OF PHYSICS
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