Device and method used for measuring deformation of diamond anvil under high temperature high pressure condition

A diamond anvil, high temperature and high pressure technology

Active Publication Date: 2014-03-19
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The deformation of the diamond anvil under high pressure is mainly evaluated by finite element numerical simulation, X-ray transmission imaging and contact micrometer measurement; the finite element numerical simulation depends on the established model and the characteristics of the diamond anvil and the gasket material parameters, the X-ray transmission imaging method requires a high-brightness synchrotron radiation light source and consumes a lot of precio

Method used

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  • Device and method used for measuring deformation of diamond anvil under high temperature high pressure condition
  • Device and method used for measuring deformation of diamond anvil under high temperature high pressure condition
  • Device and method used for measuring deformation of diamond anvil under high temperature high pressure condition

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Embodiment 1

[0079] The implementation steps of the device for measuring the deformation of the diamond anvil under extreme high temperature and high pressure:

[0080] The first step is to turn on the lighting source 1, adjust the relative positions of the small hole 2, the first lens 3 and the lighting source 1, so that the emitted lighting light is parallel light;

[0081] The second step is to adjust the position and posture of the first broadband beam splitter 4 and the second broadband beam splitter 5, so that the emitted illumination light is parallel to the optical table, place an alternative plane reflector at the position of the diamond anvil 7, and make The reflective surface is perpendicular to the optical axis, and the light reflected back from the first broadband beam splitter 4 is used to adjust the second lens 8 and the charge-coupled detector 9;

[0082] In the third step, the microscopic objective lens 6 is added, and the attitude of the microscopic objective lens 6 is ad...

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Abstract

The device relates to the non-contact measuring field and particularly relates to a device and a method used for measuring deformation of a diamond anvil under the high temperature high pressure condition. The method and the device are provided according to the technical problems existing in the prior art. Specifically, deformation of the diamond anvil under the high temperature high pressure condition is acquired through a probe light emission light path, a signal reception light path and a signal processing computer; broad band probe light is provided by the probe light emission light path, signal light returned back from a front table top of the diamond anvil and reference light returned from a back table top of the diamond anvil are collected by the signal reception light path, and frequency spectrum interference of the two light beams is generated in a fiber spectrometer of the signal reception light path; a frequency spectrum interference signal outputted by the fiber spectrometer is processed by the computer, and deformation of the diamond anvil under the high temperature high pressure condition is acquired.

Description

technical field [0001] The invention relates to the field of non-contact measurement, in particular to a device and method for measuring deformation of a diamond anvil under extreme high temperature and high pressure conditions. Background technique [0002] The invention and application of the diamond press (DAC) is a major breakthrough in the field of static high pressure experimental research, and it is also the most common high pressure generating device in the field of static high pressure research. Its ability to generate ultra-high pressure provides people with a deeper understanding of the extreme high temperature of matter Possibility of physical and chemical properties under high pressure conditions. With the help of DAC loading technology, people have carried out studies on the phase transition, state equation, intensity, sound velocity, optical properties, magnetic properties, and electrical properties of substances under extreme high temperature and high pressur...

Claims

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Application Information

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IPC IPC(8): G01B11/16
Inventor 刘盛刚翁继东马鹤立陶天炯敬秋民张毅柳雷王翔毕延戴诚达蔡灵仓谭华吴强刘仓理
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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