Alkali metal atom vacuum sample source based on all-glass material and implementation method

Abstract

The invention discloses an alkali metal atom vacuum sample source based on an all-glass material, which comprises a vacuum container main body, an optical window sheet, an anti-evaporation hole body,a filling transition tube and an alkali metal sample, and other parts except the alkali metal sample are all made of the glass material, so that the alkali metal atom vacuum sample source has the positive effects of small volume, light weight, easiness in integration, evaporation resistance and the like. The invention further discloses an implementation method of the alkali metal atom vacuum sample source based on the all-glass material. The oxidation problem in the alkali metal sample filling process can be effectively inhibited, and the optical characteristics of the sample source and the airtightness of the vacuum cavity are guaranteed. The sample source can be widely applied to various quantum sensors based on alkali metal atoms, including an atomic gravimeter, an atomic gravity gradiometer, an atomic gyroscope, an atomic clock and the like, and the integration level of the physical probe unit of the instrument can be remarkably improved.

Description

technical field [0001] The present invention relates to the field of quantum sensing technology, more specifically to an alkali metal atom vacuum sample source based on an all-glass material, and also to a method for realizing an alkali metal atom vacuum sample source based on an all-glass material, which is suitable for precision surveying of gravity fields, quantum Navigation, atomic time-frequency reference and other fields. [0002] technical background [0003] Quantum sensing technology is a series of sensing technologies based on new physical principles that emerged from the end of the 20th century to the beginning of this century. Among them, atomic gravimeter technology based on atomic interferometer, atomic gravity gradient meter technology, atomic gyroscope technology and atomic clock technology are Some of the most important components. The extremely high precision and stability of atomic internal energy levels and transition lines determine that atomic instrumen...

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the shortcomings and deficiencies in the prior art, provide a vacuum sample source of alkali metal atoms based on all-glass materials, and also provide a method for realizing the vacuum sample source of alkali metal atoms based on all-glass materials, so as to solve the problem of existing alkaline A large number of redundant metal parts are used in the metal atom vacuum sample source, which causes the problem of excessive size and weight of the device, which is not conducive to the integration and engineering of the physical probe part of the quantum sensor. It provides a simple, light and compact alkali metal atom Vacuum sample source, contributing to the engineering and practical application of quantum sensors

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