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First mirror sample irradiation support and irradiation method

A sample holder and sample technology, applied in the field of ion diagnostic research, can solve the problems of complex process, intolerant, difficult analysis and research, etc.

Active Publication Date: 2011-10-19
SOUTHWESTERN INST OF PHYSICS
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  • Abstract
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  • Claims
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Problems solved by technology

The process experienced during the period is too complicated, which brings difficulties to the analysis and research
In addition, because the inner wall of the vacuum chamber of the fusion device is thin, in order to avoid arcing during discharge, it is not allowed to connect to a 220V AC power supply, and it becomes a problem to use ordinary resistance wires to heat the sample material.

Method used

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  • First mirror sample irradiation support and irradiation method

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Embodiment Construction

[0031] A first mirror sample irradiation support provided by the present invention will be described in detail below with reference to the drawings and embodiments.

[0032] Such as figure 1 As shown, the first mirror sample irradiation system includes a fusion device (such as HL-2A tokamak, the vacuum chamber in which is the irradiation vacuum chamber), which can be placed in the first mirror sample rack in the fusion device vacuum chamber 16 1. External vacuum chamber 15 (shown in the figure is a pipeline-shaped vacuum chamber, which can be of other shapes; since the external vacuum chamber needs to be opened to replace samples and pumped with a mechanical pump, the vacuum degree of the external vacuum chamber is higher than that of the fusion device. poor vacuum chamber), also includes the gate valve 2 isolating the vacuum chamber of the fusion device and the external vacuum chamber, is located in the external vacuum chamber 15 and is used to send the first mirror sample ra...

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Abstract

The invention is directed to the research fields of interaction between material and hot plasma and hot plasma diagnosis and concretely relates to a first mirror sample irradiation support and irradiation method in a high vacuum and strong magnetic field environment. The goal is to bring conveniences for controlling the temperature and replacing samples of different materials without destroying the condition of apparatus vacuum. The irradiation support comprises two sample racks which are put in parallel. A ceramic heating plate is provided inside a sample rack. A temperature sensor A and a sample A are provided above the ceramic heating plate. A sample pressure plate A is pressed upon the sample A. A sample B and a temperature sensor B are provided inside the other sample rack. A sample pressure plate B is pressed upon the sample B. The power lines and signal lines of the ceramic heating plate, the temperature sensor A, the temperature sensor B are connected with an external power supply and a display. The irradiation support brings conveniences for the experimental comparison of different sample conditions under the situation of a same plasma discharge and the influence from a 220 AC power supply on the plasma discharge is avoided.

Description

technical field [0001] The invention belongs to the research field of interaction between materials and high-temperature plasma and high-temperature plasma diagnosis, and specifically relates to a first mirror sample irradiation support and irradiation method in a high vacuum and strong magnetic field environment. Background technique [0002] In controlled fusion experiments, many physical and experimental parameters need to be measured using optical diagnostic methods such as interferometers. In order to obtain the detection signal, the plasma signal must be guided to the measurement system by means of some optical mirrors. These mirrors are called first mirrors. The high-energy plasma will cause the mirror to suffer sputtering corrosion and impurity deposition, and the reflectivity of the first mirror will drop drastically, eventually causing the measurement system to fail. Therefore, solving the problem of optical performance degradation of the first mirror has become ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21B1/11G21B1/23G01T1/02
CPCY02E30/10
Inventor 周艳洪文玉刘泽田焦一鸣
Owner SOUTHWESTERN INST OF PHYSICS
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