Field-displacement space cold-vapour atomic clock

A technology of cold atoms and atoms, which is applied in the field of field-shifting space cold atomic clocks, can solve the problems of microwave cavity end-to-end phase difference, achieve the effects of improving accuracy, eliminating phase difference, and simplifying the structure

Inactive Publication Date: 2005-08-24
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
View PDF0 Cites 21 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to realize the two interactions between atoms and the microwave field, the space cold atomic clocks developed abroad at present use two microwave cavities to achieve the two interactions. The cold atomic groups pass through the two microwave cavities in one direction, so that there is Cavity end-to-end phase difference

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Field-displacement space cold-vapour atomic clock
  • Field-displacement space cold-vapour atomic clock
  • Field-displacement space cold-vapour atomic clock

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] see first figure 2 , image 3 and Figure 4 , as can be seen from the figure, the structure of the field-shifting space cold atomic clock of the present invention includes an atom trapping cavity 1 with an atomic source 11, a vacuum conduit 2, a microwave resonator cavity 3, a magnetic shield and a thermostat 4, a solenoid coil 5, Detection chamber 6, vacuum pumping system 7, computer 8, microwave generator 9, laser system 10 and support 14, one end of the vacuum conduit 2 communicates with the atom capture chamber 1, and the other end communicates with the detection chamber 1. The cavity 6 is connected, and the detection cavity 6 is connected with the vacuum pumping system 7; the laser system 10 generates nine beams of laser light, one of which is guided to the atom trapping cavity 1 by the first optical fiber 10.1 At the left end window, the second fiber group 10.2 guides six laser beams to the six windows of the atom trapping cavity 1 to form three pairs of orthog...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

A field-moving space cooling atom clock applied to the upper air frequency standard, including an atom capturing cavity with atom source, a vacuum guide tube, a microwave resonant cavity, a magnetic shield, a thermostatic cover, a solenoidal coil, a detecting cavity, a vacuum bump system, a computer, a microwave generator, a laser system and a bracket. The characteristics are: adopt a movable microwave resonant cavity to complete the atom selection and the mutual function of the atom and the microwave. This invention can eliminate the end-to-end phasic error brought by the resonant cavity, simplifies the structure and improve the precision of the cooling atom clock.

Description

technical field [0001] The invention relates to an atomic clock, in particular to a field shifting space cold atomic clock. Background technique [0002] At present, the frequency standard atomic clocks used by countries in the world are still traditional thermal atomic clocks such as hydrogen clocks, cesium clocks, and rubidium clocks. Only a few developed countries such as France and the United States have developed their own space cold atomic clocks. In the space environment, the influence of magnetic field and gravity is almost zero, and it will have a higher accuracy than the ground fountain clock, which is expected to reach 10. -17 order of magnitude. Under the action of gravity, the ground fountain cold atomic clock uses gravity to realize the two interactions between the microwave field and atoms. In the microgravity environment of space, gravity cannot be used to realize it. In order to realize the two interactions between atoms and the microwave field, the space ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G04F5/14
Inventor 王育竹边风刚魏荣王新旗周善钰
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap