Space strontium optical clock built-in vacuum high-temperature evaporation source device

A high-temperature evaporation, strontium optical clock technology, applied in electric furnace heating, furnace type, furnace and other directions, can solve the problems of large volume, poor thermal insulation performance, high power consumption, and achieve the effect of small size, improved thermal insulation performance, and low energy consumption

Pending Publication Date: 2020-04-28
NAT TIME SERVICE CENT CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the technical deficiencies of the existing strontium atom preparation device, such as external vacuum, poor thermal insulation performance, large volume, and high power consumption, and provide a vacuum built-in, small volume, good thermal insulation performance, low energy consumption, and easy to dismantle. Conveniently installed space strontium optical clock vacuum built-in high temperature evaporation source device

Method used

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  • Space strontium optical clock built-in vacuum high-temperature evaporation source device

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Embodiment 1

[0039] exist figure 1 , 2 , 3, and 5, the space strontium optical clock vacuum built-in high-temperature evaporation source device involved in the present invention, the vacuum electrode 1 is located at the right end of the flange 2 and connected with the heating device 3 through the flange 2, and the flange 2 is covered with the heating device 3 The external vacuum chamber 5 is connected, and the vacuum chamber 5 provides a vacuum environment for the device. The first outlet of the vacuum chamber 5 is connected with an ion pump 4 through a threaded fastening connector, and the ion pump 4 is used to maintain an ultra-high vacuum. The second outlet of the cavity 5 is connected with a collimating cavity 7 through a threaded fastener, and the orthogonal two-dimensional light beam injected from the outside can shape the atomic beam prepared by the heating unit 3 in the collimating cavity 7, The third outlet of the vacuum chamber 5 is fixedly connected with an angle valve 6 throug...

Embodiment 2

[0046] In this embodiment, four stud holes h are evenly distributed on the end surface of the heat insulation groove j of the middle plate in the above embodiment 1, and four common middle plate holes are processed on the end surface of the heat insulation middle plate body 3-9-1. Bolt hole i, 4 base universal bolt holes are evenly distributed on the outer end surface of the heat insulating base body 3-11-1, and four studs 3-5 are evenly distributed on the left end surface of the clamp pot body 3-5-1 -2. The other components and the connection relationship of the components are exactly the same as those in Embodiment 1.

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Abstract

The invention discloses a space strontium optical clock built-in vacuum high-temperature evaporation source device. A vacuum electrode is electrically connected with a heating device through a flange,the exterior of the heating device is provided with a vacuum cavity, and the vacuum cavity is connected with an ion pump, a collimation cavity and an angle valve; heating wire bare wires in the heating device are evenly arranged through machinable ceramic and mounted around a crucible connected with a collimator, a thermocouple mounting hole is preserved in the bottom of the crucible, a thermocouple and heating wires are connected with an external temperature controller through a flange integrated electrode, the whole crucible is arranged at a heat-insulation base and a heat-insulation hood an connected with a supporting column of the flange through a general bolt, and the flange is connected with the vacuum cavity through a bolt. The space strontium optical clock built-in vacuum high-temperature evaporation source device has the advantages that a built-in vacuum is achieved, the size is small, heat insulation performance is good, energy consumption is small, and disassembly and assembly are convenient, and the space strontium optical clock built-in vacuum high-temperature evaporation source device can be generalized and applied to the technical field of quantum evaluation.

Description

technical field [0001] The invention belongs to the technical field of quantum bid evaluation, and in particular relates to a device placed in a vacuum to prepare strontium atoms. Background technique [0002] Atomic optical clocks research and explore the integration, miniaturization, and engineering of atomic clocks to meet the development needs of space navigation. [0003] The National Time Service Center started the development of strontium cold atom optical lattice clocks in 2006, and has completed the first and second cooling preparations of strontium cold atom samples, optical lattice loading, clock transition detection, closed-loop locking and experimental measurement of some key atomic physical parameters. , and is currently improving the miniaturization design of the second system compared with the first system to meet the development needs of space navigation. Contents of the invention [0004] The technical problem to be solved by the present invention is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B17/02F27D11/02F27D1/00
CPCF27B17/02F27D1/00F27D11/02
Inventor 孟俊伟周驰华赵国栋常宏
Owner NAT TIME SERVICE CENT CHINESE ACAD OF SCI
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