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Rubidium atomic magnetometer

A technology of magnetometer and rubidium atom, which is applied in the field of rubidium atom magnetometer, can solve the problems of poor universality, high maintenance cost, and high working environment requirements, and achieve the effects of high sensitivity, low cost, and low energy consumption

Inactive Publication Date: 2018-02-02
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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  • Abstract
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Benefits of technology

This patented device uses an interference phenomenon called magnetotorism that occurs when two light beams interact with each other at different angles or frequencies (magnetic). By measuring this change it can accurately determine how strong these lights are being used for communication purposes like transmitting data over long distances without losing their signal strength due to reflection from obstacles such as water waves on land surfaces. It also includes features related to its ability to measure both polarized electromagnetic radiation and nonpolarizing electricity signals simultanously. Overall, this new technique allows us to create precise measurements of magnetoscopic rotations caused by interactions between specific materials within our universe's environment.

Problems solved by technology

The technical problem addressed in this patented text relates to improving the performance of strong magne detectors by reducing complexity while also being able to work with different environments without requiring expensive equipment or complicated procedures.

Method used

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Embodiment Construction

[0018] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments, wherein the methods are conventional methods unless otherwise specified, and the raw materials can be obtained from open commercial channels unless otherwise specified.

[0019] A rubidium atomic magnetometer, said magnetometer comprising a pumping laser 1, a λ / 4 wave plate 2, a detection laser 3, a polarizer 4, an atomic gas chamber 5, a polarization beam splitter 6, an optical detector I7-1, Photodetector II 7-2, amplifier 8 and signal processing unit 9, such as figure 1 shown;

[0020] The assembly relationship between the components is as follows: the atomic gas chamber 5 is placed in the magnetic field to be measured, the λ / 4 wave plate 2 is placed on the optical path between the pumping laser 1 and the atomic gas chamber 5, and the polarizer 4 is placed in the detection laser 3 and the optical path between the atomic gas chamber 5, and th...

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Abstract

The invention relates to a rubidium atomic magnetometer, belonging to the technical field of atomic magnetometers. The rubidium atomic magnetometer is designed based on a magneto-optic resonance technology. According to the rubidium atomic magnetometer, rubidium atoms are highly polarized by utilizing pumping laser generated by a pumping laser device, the rubidium atoms are driven to conduct Larmor precession by means of interaction between the polarized rubidium atoms and detection laser generated by a detection laser device, and a precession frequency is obtained according to subsequent analysis and processing of a detected signal; and absolute measurement of a space weak magnetic environment is realized by combining a relationship between the magneto-optic resonant frequency and an external magnetic field. The rubidium atomic magnetometer has the advantages of high sensitivity, low energy consumption, low cost, small size and the like, has broad application prospect in aspects of space physics and geophysics, deep space magnetic field detection, military anti-submarine, biomedicine and the like, and is of important research value.

Description

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Claims

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Application Information

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Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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