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Persistent URL http://purl.org/net/epubs/work/10855453
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Record Id 10855453
Title Off-Axis Undulator Radiation for CLIC Drive Beam Diagnostics
Abstract The Compact LInear Collider (CLIC) will use a novel acceleration scheme in which energy extracted from a very intense beam of relatively low-energy electrons (the Drive Beam) is used to accelerate a lower intensity Main Beam to very high energy. The high intensity of the Drive Beam, with pulses of more than 1015 electrons, poses a challenge for conventional profile measurements such as wire scanners. Thus, new non-invasive profile measurements are being investigated. In this paper we propose the use of relatively inexpensive permanent-magnet undulators to generate off-axis visible Synchrotron Radiation from the CLIC Drive Beam. The field strength and period length of the undulator should be designed such that the on-axis undulator wavelength is in the ultra-violet. A smaller but still useable amount of visible light is then generated in a hollow cone. This light can be reflected out of the beam pipe by a ring-shaped mirror placed downstream and imaged on a camera. In this contribution, results of SRW and ZEMAX simulations using the CLIC Drive Beam parameters are shown.
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Language English (EN)
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Paper In Conference Proceedings In 2nd International Beam Instrumentation Conference (IBIC 2013), Oxford, UK, 16-19 Sep 2013, (2013). Cockcroft-13-41.pdf 2013
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