Commit 9aa1d022 authored by Carla Barquest's avatar Carla Barquest
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Update multipole-tuning-algorithm.md

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#### Abstract:
The TRIUMF CANadian Rare isotope facility with Electron Beam ion source (CANREB) High Resolution Separator (HRS) has been designed to separate rare isotopes
with mass/charge differences of only one part in 20,000 in beams with transverse emittances of 3 μm.
To reach this high resolution, high-order aberrations must be corrected using a multipole corrector; from experience we know that tuning such a multipole is in practice very challenging.
The unique geometry of our multipole allowed for the development of a novel tuning method based on determining the desired pole voltages directly from measured emmitance.
with mass/charge differences of only one part in 20,000 for beams with transverse emittances of 3 μm.
To reach this high resolution, high-order aberrations must be corrected using a multipole corrector. From experience, tuning such a multipole is very challenging.
The unique geometry of our multipole motivated a novel tuning method based on determining the desired pole voltages directly from measured emmitance.
This novel tuning algorithm is presented alongside a web application which has been developed in anticipation of the commissioning of the CANREB HRS.
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