Device used for material ferromagnetism and magnetization performance detection and method thereof

A technology of ferromagnetism and performance, which is applied in the field of material ferromagnetism and magnetization performance detection, and in the field of material ferromagnetism and magnetization performance detection devices. Test magnetization and other issues to achieve the effects of reducing the influence of external strong electromagnetic fields, high-sensitivity ferromagnetism and magnetization performance detection capabilities, and ensuring reliability

Active Publication Date: 2017-02-15
WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

For example, for a vibrating sample magnetometer based on the principle of electromagnetic induction, the induced potential of the coil is proportional to the magnetization of the material to be tested. It cannot exceed ~g, thus limiting the test range of the magnetic properties of the material to be teste

Method used

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  • Device used for material ferromagnetism and magnetization performance detection and method thereof
  • Device used for material ferromagnetism and magnetization performance detection and method thereof
  • Device used for material ferromagnetism and magnetization performance detection and method thereof

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Embodiment Construction

[0043] Attached below Figure 1-Figure 4 , taking the use of alkali metal cesium-133 atoms and an 894 nm laser as an example, the technical solution of the present invention will be further described in detail.

[0044] like figure 1 As shown, a device for detecting the ferromagnetic and magnetization properties of materials includes a laser 1, a linearly polarized beam 2, a Glan-Thomson polarizer 3, an electromagnetic shielding cover 4, a radio frequency shielding box 5, a magnetic shielding cylinder 6, Axial sweep coil 7 , heating and heat preservation module 8 , atomic vapor bubble 9 , optical amplification detection module 10 , transfer tube sealing block 11 , transfer tube 12 , solenoid coil 13 , positioning frame 14 , slotted loading bin 15 .

[0045] First describe the material, shape and structure of each component of the present invention:

[0046] Laser 1, a semiconductor laser with a model of TopticsDL-100, has an operating wavelength of 894 nm and is matched to t...

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Abstract

The invention discloses a device used for material ferromagnetism and magnetization performance detection. The device comprises a laser device, linearly polarized light beams, a Glan-Thompson polarizer, an electromagnetic shielding cover, a radio frequency shielding box, a magnetic shielding cylinder, an axial scanning field coil, a heating and heat preservation module, atomic vapor bubbles, a light amplification detection module, a conveying tube sealing block, a conveying tube, a solenoid coil, a positioning frame and a grooved loading warehouse. The invention also discloses a method used for material ferromagnetism and magnetization performance detection. The device is integrated in structure and convenient to operate, material ferromagnetism and magnetization performance detection is acquired through nonlinear magneto-optical resonance dispersion signals, and the device has the characteristic of ultrahigh-sensitivity magnetic measurement and practical value in material selection of atomic frequency standards, atomic magnetometers and laser detection magnetic resonance instruments.

Description

technical field [0001] The present invention relates to the technical field of optical pumping and optical detection, more specifically to a device for detecting ferromagnetism and magnetization properties of materials, and also to a method for detecting ferromagnetism and magnetization properties of materials, specifically applicable to atomic frequency standards , Atomic magnetometer, laser detection magnetic resonance instrument and other instruments are selected, materials are screened, and the inhomogeneity of the magnetic field of the instrument system caused by the ferromagnetism or magnetization of the material is eliminated. Background technique [0002] With the development of science and technology, atomic frequency standards, atomic magnetometers, and laser detection magnetic resonance instruments are required to have higher precision, miniaturization, and better performance. Therefore, the performance of materials has an increasingly significant impact on the cha...

Claims

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Application Information

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IPC IPC(8): G01R33/12G01R33/032
CPCG01R33/032G01R33/12G01R33/1215
Inventor 周欣王晓飞孙献平赵修超朱茂华刘买利叶朝辉
Owner WUHAN INST OF PHYSICS & MATHEMATICS CHINESE ACADEMY OF SCI
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