Atomic oscillator and magnetic field control method of atomic oscillator
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United States of America Patent
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Jul 28, 2020
Grant Date -
Jul 4, 2019
app pub date -
Dec 19, 2018
filing date -
Dec 28, 2017
priority date (Note) -
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Abstract
An atomic oscillator includes a light source; an atomic cell in which alkali metal atoms are contained and on which light that is emitted from the light source is incident; a first coil that applies a magnetic field to the atomic cell; a first shield that contains the atomic cell and the first coil and shields a magnetic field; a second shield that includes a first member having a recess and a second member, containing the light source and the first shield in a space which is formed by the first member and the second member, and the second shield shields the magnetic field; and a second coil that generates a magnetic field passing through an opening of the recess.
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