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In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence
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JoVE 杂志 工程学
In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence

In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence

3,720 Views

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07:03 min

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June 13, 2020

DOI:

10.3791/61175-v

DOI:
10.3791/61175-v

•

07:03 min
June 13, 2020

•

2 Views
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1MOE Key Laboratory of Fundamental Physical Quantities Measurement, Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF and School of Physics,Huazhong University of Science and Technology

Summary

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Presented here is a method to measure the birefringence of vacuum windows by maximizing the fluorescence counts emitted by Doppler cooled 25Mg+ ions in an ion trap. The birefringence of vacuum windows will change the polarization states of the laser, which can be compensated by changing the azimuthal angles of external wave plates.

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In-situ MeasurementVacuum Window Birefringence25Mg+ FluorescencePolarization CompensationCold AtomsIon TrapDoppler CoolingMagnesium-25 IonsPolarizerWave PlateLaser BeamVacuum Chamber

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Cite this Article

Yuan, W. H., Liu, H. L., Wei, W. Z., Ma, Z. Y., Hao, P., Deng, Z., Deng, K., Zhang, J., Lu, Z. H. In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence. J. Vis. Exp. (160), e61175, doi:10.3791/61175 (2020).

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