Spherical air chamber

A gas cell, spherical technology, applied in electrical components, gas laser parts, laser parts and other directions, can solve problems such as adverse gas cell performance, stray light generation, real expression, etc., achieve a good optical window, avoid birefringence, etc. and stray effects, the effect of preventing atoms from entering dead spots

Inactive Publication Date: 2018-07-31
BEIJING INST OF AEROSPACE CONTROL DEVICES
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  • Description
  • Claims
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Problems solved by technology

However, for a spherical air chamber, due to the existence of the curvature of the inner wall of the air chamber, the propagation of the light beam in the air chamber i

Method used

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0021] Such as figure 1 Shown is a schematic diagram of the welding parts of the spherical air chamber. It can be seen from the figure that the spherical air chamber includes a main spherical shell 1, a capillary 4 and 4 light-transmitting discs 5; wherein, the main spherical shell 1 is a hollow spherical structure; the capillary 4 is formed from the top Extending into the interior of the main spherical shell 1; the light-transmitting disc 5 is a flat cylindrical structure; four light-transmitting discs 5 are fixedly installed in the side wall of the main spherical shell 1. The main spherical shell 1, the capillary 4 and the transparent disc 5 are all made of quartz glass or borosilicate glass. All parts are made of glass, and the gas chamber is processed and prepared through precision glass welding technology.

[0022] Such as figure 2 Show...

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Abstract

A spherical air chamber relates to the technical field of atomic air chamber preparation and comprises a main spherical shell, a capillary tube and four light-passing discs, wherein, the main spherical shell is a hollow spherical structure; the capillary tube extends from the top into the main spherical shell; each light-passing disc is a flat cylindrical structure; the four light-passing discs are fixedly mounted in the sidewall of the main spherical shell; the top center of the main spherical shell is provided with a circular small hole; the capillary tube passes through the circular small hole to go into the main spherical shell; at the center of the sidewall of the main spherical shell, four circular light-passing holes are uniformly arranged; and the four light-passing discs are fixedly mounted in the four light-passing holes. The spherical air chamber provides a high-quality two-dimensional light path, and effectively alleviates the collision relaxation between atoms and the inner wall of the air chamber, thereby increasing the polarizability and the macroscopic spin relaxation time of the atomic air chamber.

Description

technical field [0001] The invention relates to the technical field of atomic gas chamber preparation, in particular to a spherical gas chamber. Background technique [0002] The atomic gas chamber is a simple device for preparing the ground state polarization state of alkali metal atoms. It stores atomic vapor in a closed space, and uses pump laser to realize the effective regulation of the quantum state of alkali metal atoms. Gas cells based on alkali metal atoms are widely used, including atomic gyroscopes, atomic magnetometers, atomic clocks, slow light, quantum storage and other fields. The preparation scheme of the atomic gas chamber, including the type and density of the alkali metal, the type and pressure of the inert gas, the shape and volume of the gas chamber shell, and other factors directly determine the accuracy of the relevant quantum instrument. [0003] Among them, for the shape of the air chamber, researchers have tried to use spherical, hemispherical, cyl...

Claims

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Application Information

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IPC IPC(8): H01S3/03H01S3/034H01S3/227G04F5/14
CPCH01S3/03G04F5/14H01S3/034H01S3/227
Inventor 王风娇李新坤黄伟刘院省王学锋刘福民庄海涵
Owner BEIJING INST OF AEROSPACE CONTROL DEVICES
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