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CPT atomic clock physical system

A physical system and atomic clock technology, applied in the field of CPT atomic clock physical system, can solve the problem of poor temperature uniformity of spherical gas chamber, achieve the effect of uniform heat size and improve uniformity

Pending Publication Date: 2022-04-05
北京华信泰科技股份有限公司
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a CPT atomic clock physical system to solve the current problem of poor uniformity of the temperature of the spherical air chamber

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  • CPT atomic clock physical system
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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components.

[0026] like figure 1 , figure 2 As shown, the embodiment of the pre...

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Abstract

The invention provides a CPT atomic clock physical system. The CPT atomic clock physical system comprises a laser emitting assembly, a polarization assembly, a spherical air chamber assembly and a photoelectric detector which are sequentially stacked in the first direction. The spherical air chamber assembly comprises a heat conduction support, a spherical air chamber body and a second heating piece. The heat conduction support is provided with a containing cavity with openings in the two ends, the opening of the first end faces the photoelectric detector, the opening of the second end faces the polarization assembly, the spherical air chamber body is located in the containing cavity, and the second heating piece is located at the first end of the heat conduction support and connected with the heat conduction support in an attached mode. A first through hole is formed in the position, corresponding to the opening, of the second heating piece. The problem that the uniformity of the temperature of a current spherical air chamber is poor is solved.

Description

technical field [0001] The invention relates to the technical field of coherent population trapping (Coherent Population Trapping, CPT) atomic clocks, in particular to a CPT atomic clock physical system. Background technique [0002] Coherent Population Trapping (CPT) atomic clock is a new type of atomic clock realized by using the coherent population trapping principle of atoms. The CPT atomic clock has been widely concerned and developed rapidly due to its advantages such as its size and power consumption are much smaller than the current rubidium atomic clock. [0003] In order to improve the activity of atoms in the spherical air chamber and ensure that there are enough atoms to achieve coherent population trapping, a constant and uniform temperature must be applied to the spherical air chamber. If the temperature is not uniform within the scope of the spherical air chamber, the resonance frequency of each part of the atoms will be different. The actual CPT spectral li...

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Application Information

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IPC IPC(8): G04F5/14
Inventor 刘瑞元胡俊飞崔和梁小芃
Owner 北京华信泰科技股份有限公司