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In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence
JoVE Journal
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In Situ Measurement of Vacuum Window Birefringence using 25Mg+ Fluorescence
DOI:

07:03 min

June 13, 2020

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Capítulos

  • 00:04Introduction
  • 01:06A and B Polarizer Reference Direction Setup
  • 02:00Waveplate Azimuthal Angles Reference Angle Setup
  • 02:51Single 25Mg+ Ion Doppler Cooling
  • 03:30Doppler Cooling Laser Frequency Wavelength Meter Locking
  • 04:01Laser Intensity Setup
  • 04:33Vacuum Window Birefringence Measurement
  • 04:59Results: Representative Vacuum Window Birefringence Analyses
  • 06:08Conclusion

Summary

Tadução automática

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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