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An atomic gas chamber heated by a transparent conductive heating film

A transparent conductive, atomic gas chamber technology, applied to instruments using atomic clocks, the size/direction of magnetic fields, steering induction equipment, etc. The effect of contributing to miniaturization and reduction of external volume

Pending Publication Date: 2019-12-10
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the heating method of the atomic gas chamber is heated by adding a coil or a heating film outside the gas chamber, which is easy to generate a residual magnetic field, and the residual magnetic field will interfere with the test results of the weak magnetic field to be tested, resulting in a great reduction in the accuracy of the test results.

Method used

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  • An atomic gas chamber heated by a transparent conductive heating film
  • An atomic gas chamber heated by a transparent conductive heating film
  • An atomic gas chamber heated by a transparent conductive heating film

Examples

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Embodiment 1

[0035] Referring to the accompanying drawings, an atomic gas chamber heated by a transparent conductive heating film includes an atomic gas chamber made of transparent glass and a temperature control device. The transparent conductive heating film deposited by tin oxide semiconductor material is connected with the temperature control device; the temperature control device includes temperature sensor, PID control system, signal generator and power amplifier; There is also a transparent conductive heating film deposited by indium tin oxide semiconductor material on the side surface, and the transparent conductive heating film is connected with the temperature control device. A magnesium fluoride light-transmitting medium film is deposited on the transparent conductive film on the light-passing surface, and the light-transmitting medium film can reduce the absorption of light in the indium tin oxide and the reflection of light.

[0036] When in use, heat the transparent conductiv...

example 2

[0044] Referring to the accompanying drawings, this example uses a cylindrical atomic gas chamber.

example 3

[0046] With reference to accompanying drawing, this example adopts spherical atomic gas chamber.

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Abstract

An atomic gas chamber heated by a transparent conductive heating film comprises an atomic gas chamber made of transparent glass and a temperature control device, and the transparent conductive heatingfilm is deposited on the outer surface of one side of a light passing surface of the atomic gas chamber; the transparent conductive heating film is connected with the temperature control device; thetemperature control device is formed. The transparent conductive heating film is adopted for heating, reflection of incident laser is reduced on the light passing surface, and the accuracy of the measurement result of an atomic measurement device is guaranteed; the film is heated on the light passing surface, so that the phenomenon of deposition on the alkali metal light passing surface when the measuring instrument stops heating can be effectively reduced.

Description

technical field [0001] The invention relates to a quantum precision measuring device, and relates to an atomic gas chamber heated by a transparent conductive heating film. Background technique [0002] In the field of quantum precision measurement, atomic gas chambers are widely used as sensors, such as atomic gyroscopes, atomic clocks, atomic magnetometers, etc. The atomic magnetometer is designed based on magneto-optical resonance technology, based on the principle of the interaction between atoms in the magnetic field and the light field, combined with the relationship between the magneto-optical resonance frequency and the external magnetic field, to achieve absolute measurement of the weak magnetic environment in space. [0003] The occasion where atoms interact with the light field is the atomic gas chamber, which is a gas chamber containing alkali metal vapor, and at relatively low temperatures, some alkali metal atoms exist in the gas chamber in solid form, in order ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C19/58G01C19/60G01R33/02G04F5/14
CPCG01C19/58G01C19/60G01R33/02G04F5/14
Inventor 张尚李衎
Owner ZHEJIANG UNIV OF TECH