Current sensor for adjusting vector light field based on atomic spin

A current sensor and vector adjustment technology, applied in the direction of measuring current/voltage, only measuring current, measuring electrical variables, etc., can solve problems such as affecting the smoothness of management, easy freezing of surface sections, etc., to achieve good anti-electromagnetic interference characteristics, improve The effect of detection sensitivity and easy determination of current direction

Pending Publication Date: 2022-02-08
上海电铠智能科技有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the surface section of the existing water pipeline is easy to freeze, thus affecting the smoothness of management

Method used

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  • Current sensor for adjusting vector light field based on atomic spin

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Embodiment 1

[0030] Refer to attached figure 1 , a current sensor based on the atomic spin adjustment vector light field of this embodiment, including along the symmetric optical axis O 1 o 2 External reflection conical mirror 1, cylindrical curved polarizer 2, internal reflection conical mirror 3, incident half-wave plate 4, outgoing half-wave plate 5, circular ring placed in sequence Alkali metal atomic gas chamber 6 and beam polarization analyzer 7, the circular alkali metal atomic gas chamber 6 is arranged in the magnetic field region generated by the detected current 11, the reflection cone of the external reflection type conical mirror 1 Parallel to the reflection cone of the internal reflection conical mirror 3, and the reflection cone of the external reflection cone mirror 1 and the reflection cone of the internal reflection cone mirror 3 are all aligned with the symmetrical optical axis O 1 o 2 into a 45° angle. The incident beam is along the optical axis of symmetry O 1 o 2...

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Abstract

The invention relates to a current sensor for adjusting a vector light field based on atomic spin. The current sensor comprises an external reflection type conical surface reflector, a cylindrical curved surface polarizer, an internal reflection type conical surface reflector, an incident half-wave plate, an emergent half-wave plate, a circular alkali metal atom gas chamber and a light beam polarization analyzer which are sequentially arranged along a symmetric optical axis O1O2, the circular alkali metal atom gas chamber is arranged in a magnetic field area generated by detected current, the reflection conical surface of the external reflection type conical surface reflector is parallel to the reflection conical surface of the internal reflection type conical surface reflector, and the reflection conical surfaces and a symmetric optical axis O1O2 form an included angle of 45 degrees. On the basis of the physical behavior that the current generates the magnetic field, the current magnetic effect and the all-optical method weak magnetic detection technology are combined, the current magnetic effect is detected through an optical method, then current information is obtained, and the light field cannot have the electromagnetic interference behavior and is not prone to being affected by external electromagnetism.

Description

technical field [0001] The invention belongs to the technical field of current sensors, in particular to a current sensor based on an atomic spin-adjusted vector light field. Background technique [0002] Current refers to the amount of electricity that passes through any cross-section of a conductor per unit time. The free charges in the conductor move in a regular direction under the action of an electric field to form a current. The current sensor is a detection device that can feel the information of the measured current, and can transform the information sensed by the detection into an electrical signal that meets certain standards or other required forms of information output according to certain rules. It widely exists in electronic systems, power transmission, transformer stations, lightning protection, electrical engineering, automation, Internet of Things, power supply systems, life sciences and other fields, and plays an important role, especially in the detection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/00
CPCG01R19/0092
Inventor 高秀敏赵建民郭修立赵建涛王喜贵
Owner 上海电铠智能科技有限公司
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