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@InProceedings{ha:napac2019-tuplm15,
author = {G. Ha and M.E. Conde and J.G. Power},
title = {{Arbitrary Transverse Profile Shaping using Transverse Wigglers}},
booktitle = {Proc. NAPAC'19},
pages = {403--406},
paper = {TUPLM15},
language = {english},
keywords = {wiggler, controls, emittance, focusing, electron},
venue = {Lansing, MI, USA},
series = {North American Particle Accelerator Conference},
number = {4},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {10},
year = {2019},
issn = {2673-7000},
isbn = {978-3-95450-223-3},
doi = {10.18429/JACoW-NAPAC2019-TUPLM15},
url = {http://jacow.org/napac2019/papers/tuplm15.pdf},
note = {https://doi.org/10.18429/JACoW-NAPAC2019-TUPLM15},
abstract = {Argonne Wakefield Accelerator (AWA) group demonstrated arbitrary longitudinal shaping capability of thee emittance exchange (EEX) beamline in 2016. Several different transverse masks were used to shape the beam transversely, and the transmission through the mask was around 40%. The masking is one of the easiest ways to control the profile, but this low transmission would make significant drop of the beam quality due to a higher charge requirement in the gun, and it can make thermal issues for high repetition rate or high intensity beams. At the same time, it only controls the profile not a 2D phase space. We recently proposed a scheme to generate a tunable bunch train using a EEX beamline with a transverse wiggler. This wiggler provides a sinusoidal magnetic field which makes a sinusoidal modulation on the transverse phase space. If the beam passes series of transverse wigglers with different period and strength, one can make arbitrary correlation on the horizontal position and momentum. It opens up totally new way to control all longitudinal properties including arbitrary current profile shaping without charge loss. In this poster, we present the concept of the work and plan.},
}