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TY - CONF AU - Bernhard, A. AU - Afonso Rodríguez, V. AU - Müller, A.-S. AU - Senger, J. AU - Werner, W. AU - Widmann, C. ED - Henderson, Stuart ED - Akers, Evelyn ED - Satogata, Todd ED - Schaa, Volker R.W. TI - Compact In-vacuum Quadrupoles for a Beam Transport System at a Laser Wakefield Accelerator J2 - Proc. of IPAC2015, Richmond, VA, USA, May 3-8, 2015 C1 - Richmond, VA, USA T2 - International Particle Accelerator Conference T3 - 6 LA - english AB - For the transport and matching of electrons generated by a Laser Wakefield Accelerator (LWFA) a beam transport system with strong focusing magnets and a compact design is required. For the realization of such a beam transport system at the LWFA in Jena, Germany, two small series of inexpensive, modular quadrupoles were designed and built. The quadrupoles are iron-dominated electromagnets in order to keep the transport system adaptable to different energies and target parameters. To achieve the required field strength it was necessary to choose a small magnetic aperture. Therefore the magnets were designed for in-vacuum use with water-cooled coils. In this contribution the design, the realization and first field measurements of these quadrupoles are presented. PB - JACoW CP - Geneva, Switzerland SP - 2845 EP - 2848 KW - vacuum KW - quadrupole KW - operation KW - focusing KW - laser DA - 2015/06 PY - 2015 SN - 978-3-95450-168-7 DO - 10.18429/JACoW-IPAC2015-WEPMA038 UR - http://jacow.org/ipac2015/papers/wepma038.pdf ER -