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An integrated alkali metal gas density detection device based on the Faraday effect

A technology of Faraday effect and gas density, used in measuring devices, specific gravity measurement, instruments, etc., can solve the problems of large volume and loose structure, and achieve the effect of low operating requirements, low requirements, and repeatable use.

Active Publication Date: 2022-01-25
ZHEJIANG LAB
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Problems solved by technology

[0003] The purpose of the present invention is to propose an integrated alkali metal gas density detection device based on the Faraday effect, aiming at the problems of large volume and loose structure of the gas chamber alkali metal density detection device in the existing atomic spin SERF state-dependent sensing application, Reduce the volume of the gas chamber density detection head, simplify the detection optical path, enhance the coordination and operability of the components of the detection device, and provide an integrated alkali metal gas density detection device for related sensing applications in the SERF state

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  • An integrated alkali metal gas density detection device based on the Faraday effect
  • An integrated alkali metal gas density detection device based on the Faraday effect

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[0024] The purpose and effects of the present invention will become clearer by describing the present invention in detail according to the accompanying drawings and preferred embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Such as Figure 1-2 As shown, the integrated alkali metal gas density detection device based on the Faraday effect of the present invention includes three main components: a gas chamber assembly, a wave plate assembly and a detection assembly. The air chamber component is nested with a bias coil 1, a heating film 2, an oven 3, and an air chamber 4 in sequence from the inside to the outside. The bias coil 1 and the oven 3 are fixedly connected, and the heating film 2 is closely attached to the six outer walls of the oven 3. The oven 3 is provided with light holes at opposite positions to form a detection light path, and the gas chamb...

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Abstract

The invention discloses an integrated alkali metal gas density detection device based on the Faraday effect, aiming at the measurement requirements of the alkali metal gas density in the gas chamber necessary for the SERF related sensing measurement application, the key to the magnetic field, heating and detection in the measurement meter head The components are designed in an integrated way, and the operability of the integrated device is improved by using the tight fit and detachable structure, the volume of the detection meter head is reduced, and the efficiency of alkali metal gas density detection and debugging is improved. The invention will provide an efficient and reliable integrated alkali metal gas density detection device for the atomic spin SERF state-related sensing and measurement system.

Description

technical field [0001] The invention belongs to the field of gas density detection, and in particular relates to an integrated alkali metal gas density detection device based on the Faraday effect. Background technique [0002] The study of ultra-sensitive sensing and measurement based on spin-exchange relaxation-free (Spin-Exchange Relaxation-Free, SERF) states has broad application prospects in fundamental physics, brain science, life science, and resource detection. The research on the atomic spin SERF state is carried out with alkali metal gas as the atomic source, and the thin-walled transparent glass gas chamber is often used to carry the alkali metal gas. The density of the alkali metal gas in the gas chamber will determine the pumping and detection parameters of the sensing measurement system. Therefore, the efficient detection of the gas chamber density has important scientific significance and practical value, and can also promote the further development of related...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N9/24
CPCG01N9/24
Inventor 张宁韩邦成陆吉玺丁铭孙畅赵俊鹏杨可马丹跃邢博铮
Owner ZHEJIANG LAB
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