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Experimental Setup and Techniques

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Interferometry with Interacting Bose-Einstein Condensates in a Double-Well Potential

Part of the book series: Springer Theses ((Springer Theses))

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Abstract

Most of the experiments presented in this thesis have been performed on the Vienna atom chip setup internally labeled as “Rb2”. The current setup has been developed in Heidelberg starting from 2002 and moved, rebuilt and extended in Vienna from 2006. The first section will be devoted to a brief description of the apparatus. The second section will focus on the techniques used to create, control and characterize magnetic double-well potentials on our atom chip setup. The last section will present the imaging systems used to probe the atoms.

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Notes

  1. 1.

    Varian StarCell, 500 L/s.

  2. 2.

    SAES Getters.

  3. 3.

    Fields magnitude larger than 100 G should be achievable but not required in the current experimental cyclee.

  4. 4.

    HP/Agilent 65xx series, excepted for the small Up-Down field, where a bipolar supply (High-Finesse BCS-5/5) is used.

  5. 5.

    Isabellenhütte RUG-Z.

  6. 6.

    Toptical Photonics TA100.

  7. 7.

    The notation \(F=n\) denotes a hyperfine state of the ground state while \(F'=m\) denotes a hyperfine state of the excited state.

  8. 8.

    Toptica Photonics BoosTA.

  9. 9.

    Toptica Photonics DL100.

  10. 10.

    Tabor Electronics, WonderWave Series.

  11. 11.

    Jäger ADwin Pro.

  12. 12.

    National Instruments USB-6218.

  13. 13.

    Simply referred to as: the trap bottom.

  14. 14.

    It is also possible to split the potential by ramping the rf frequency towards the Larmor frequency of the static trap, as was done for example originally in Ref. [58].

  15. 15.

    Keithley 2000 digital Multimeter.

  16. 16.

    Princeton Instruments MicroMax 1024 BFT.

  17. 17.

    Typically, this is true as long as \(I \lesssim I_\mathrm {sat}/10\).

  18. 18.

    It needs approximately 350 scattered photons for a \(^{87}\)Rb atom to be Doppler-shifted by \(\Gamma /2\).

  19. 19.

    Andor iXon+ 897.

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  1. Vienna Center for Quantum Science and Technology, Institute of Atomic and Subatomic Physics, Vienna University of Technology, Vienna, Austria

    Tarik Berrada

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Berrada, T. (2016). Experimental Setup and Techniques. In: Interferometry with Interacting Bose-Einstein Condensates in a Double-Well Potential. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-319-27233-7_2

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