TY - CONF A1 - Kurz, Martin A1 - Hülsmann, Peter A1 - Glock, Hans-Walter A1 - Klein, Horst T1 - The possibility of introducing additional focusing caused by the circular irises in iris loaded accelerator sections T2 - Proceedings of the 1993 Particle Accelerator Conference, Washington DC, 17.05. - 20.05.1993 N2 - To reach high luminosities in future linear colliders short range wakes havea to be controlled in the range of X-band frequencies or higher. Rectangular irises can be used to introduce strong focusing quadrupole-like rf-fields. Even circular irises in iris-loaded accelarator structures have the capability of focusing if the particle velocity differs from phase velocity. Theoretical investigations concerning the focusing strength to be expected are presented. Their applicability for linear colliders is discussed. Y1 - 1999 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/3352 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30-20510 UR - http://sunkist.physik.uni-frankfurt.de/mikro/publications.html ER -