A system and method for heating an optically pumped bubble at different temperatures

A light-pumping and heating-light technology, which is applied in the direction of temperature control using electric methods and auxiliary controllers with auxiliary heating devices, can solve problems such as uneven heating, large temperature differences, and electromagnetic interference, and achieve Strengthen the uniformity of heating, balance the unevenness of heating, and improve the effect of polarization

Active Publication Date: 2016-02-24
武汉中科极化医疗科技有限公司
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Problems solved by technology

[0004] The object of the present invention is to address the deficiencies in the prior art, to provide a system for heating optical pumping bubbles at different temperatures, and to provide a method for heating optical pumping bubbles at different temperatures, which solves the problem of the original heating device structure Bulk, low heat dissipation efficiency, electromagnetic interference, large temperature difference, uneven heating, large airflow fluctuations, etc.

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  • A system and method for heating an optically pumped bubble at different temperatures
  • A system and method for heating an optically pumped bubble at different temperatures
  • A system and method for heating an optically pumped bubble at different temperatures

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Embodiment Construction

[0048] The present invention will be further described below in conjunction with the accompanying drawings and implementation examples.

[0049] Such as figure 1 As shown, a system for heating optical pumping bubbles at different temperatures includes an air source, a pipeline system, a temperature changing system, a temperature control system, and an optical pumping bubble system. The air source system provides a certain flow of air through the pipeline system and is heated to the set temperature in the heating system to heat the light pumping bubble; the pipeline system is composed of a pipeline group and a valve group, and the pipeline system is the carrier of the air fluid. They will use various connection methods to direct heated hot air into the optical pumping bubble or use hot air to vaporize the liquid nitrogen in the liquid nitrogen storage device, and then introduce low-temperature nitrogen into the optical pumping bubble; in the piping system The function of the v...

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Abstract

The invention discloses a system and a method for heating optical pumping bubbles by using different temperatures. The system comprises a processed empty optical pumping bubble bracket, a central temperature control unit, a temperature sensor, a heater, a liquid nitrogen storage device, four pipelines, three valve groups, two nitrogen cylinders, the optical pumping bubbles and a gas source, wherein the on / off of the heater is controlled by the central temperature control unit through the status of the temperature sensor, and the temperature statuses of the two ends of each optical pumping bubble is controlled by the on / off state of the heater. According to the system and the method, the structure is simple, the control is convenient, the first temperature of the optical pumping bubbles can be equalized, and the uniformity and orderliness of the operation of self-spin-exchange optical pumping reaction of alkali metals and inert gases in the optical pumping bubbles are guaranteed.

Description

technical field [0001] The present invention relates to the field of atomic and molecular physics devices, in particular to a system for heating optical pumping bubbles at different temperatures, and also to a method for heating optical pumping bubbles at different temperatures, which is applicable to hyperpolarized inert gas systems and used to heat the optical pumping bubble. Background technique [0002] The optical pumping phenomenon was first reported by Kastler in 1950 [J.Phys.Radium11(1950):255-265]. In the following time, the use of alkali metal Rb / Cs and inert gas 3 He / 83 Kr / 129 The hyperpolarized inert gas technology of spin-exchange optical pumping of Xe has gradually developed [RevModPhys.69(1)(1997):629-642]. The main principle of the spin exchange optical pumping phenomenon is that under the action of a laser with a certain wavelength, the outermost electrons of the alkali metal are excited to a high energy level state. At this time, the outermost electron...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/30
Inventor 周欣李昭赵修超孙献平刘买利
Owner 武汉中科极化医疗科技有限公司
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