A method and device for detecting buffer gas in atomic bubbles
A technology of buffer gas and atomic bubble, which is used in transmittance measurement and other directions, can solve the problem that the buffer gas content cannot be accurately measured, and achieve the effect of solving the problem of inaccurate measurement.
Active Publication Date: 2021-02-09
BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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[0006] In view of this, the embodiment of the present application provides a method and equipment for detecting the buffer gas in the atomic bubble, which is used to solve the problem that the content of the buffer gas in the atomic bubble cannot be accurately measured in the prior art
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[0023] In order to achieve the purpose of this application, the embodiment of this application provides a method and equipment for detecting buffer gas in atomic bubbles, including: a laser, a first photodetector, a second photodetector and a measurement controller, wherein: the a laser, for emitting light waves of at least one frequency; the first photodetector, for receiving the light waves emitted by the laser, and converting the light waves into a first electrical signal, and converting the first electrical signal sent to the measurement controller; the second photodetector is used to receive the light transmitted from the atomic bubble, convert the light into a second electrical signal, and send the second electrical signal For the measurement controller, the light is the transmitted light after the light wave emitted by the laser is transmitted to the atomic bubble and absorbed by the buffer gas; The electrical signal and the second electrical signal measure the composit...
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The present application discloses a method and equipment for measuring the buffer gas of atomic bubbles, including: a laser, a first photodetector, a second photodetector and a measurement controller, the laser is used to emit light waves of at least one frequency; the first The photodetector is used to receive the light wave emitted by the laser, and convert the light wave into the first electrical signal, and send the first electrical signal to the measurement controller; the second photodetector is used to receive the light transmitted from the atomic bubble , and convert the light into a second electrical signal, and send the second electrical signal to the measurement controller, the light is the transmission of the light wave emitted by the laser after being absorbed by the buffer gas after being transmitted to the atomic bubble light; a measurement controller, used for measuring the composition and content of the buffer gas according to the first electrical signal and the second electrical signal. The content of the buffer gas in the atomic bubble is determined by the absorption of the atomic absorption spectrum, which effectively solves the problem that the content of the buffer gas in the atomic bubble cannot be accurately measured.
Description
technical field [0001] The present application relates to the technical field of atomic frequency standards, in particular to a method and equipment for detecting buffer gas in atomic bubbles. Background technique [0002] As a class of basic substances, atomic gas is the basic substance of scientific research and industrial production, and plays an important role in the fields of cold atomic systems, condensed matter physics, electronics, biomedicine, spectroscopy technology, and time-frequency measurement. [0003] Specifically, in the field of time-frequency metrology, atomic gas, as the working substance of the physical part, can output high-performance time-frequency signals through energy level transitions. However, the atomic frequency standard technology is currently the most accurate time measurement technology, and the working materials of the physical part generally use atomic gases such as hydrogen, rubidium, and cesium. These atomic gases are usually sealed in ...
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IPC IPC(8): G01N21/59
CPCG01N21/59
Inventor 陈星王暖让李春景赵环张振伟
Owner BEIJING INST OF RADIO METROLOGY & MEASUREMENT