title: Installation of new damped cavities at the Photon Factory storage ring.
abstract: New damped cavities have been installed in the Photon Factory (PF) storage ring and successfully operated in the last scheduled user run of 1996. The new damped cavity is a simple single-cell cavity with somewhat large beam-duct holes. The part of the beam duct that is attached to the cavity is made of SiC, which works as a microwave absorber and damps the higher-order modes excited in the cavity. Because of its simple structure, the operation of the cavity is very stable and also a high power input of more than 150 kW is possible. No coupled-bunch instabilities due to the new cavity were observed during operation.
authors.affiliation: Light Source Division, Institute of Materials Structure Science, High Energy Accelerator Research Organization, Oho 1-1, Tsukuba-shi, Ibaraki 305, Japan.
authors.forename: M
authors.initials: M
authors.lastname: Izawa
authors.forename: T
authors.initials: T
authors.lastname: Koseki
authors.forename: S
authors.initials: S
authors.lastname: Sakanaka
authors.forename: T
authors.initials: T
authors.lastname: Takahashi
authors.forename: K
authors.initials: K
authors.lastname: Hass
authors.forename: S
authors.initials: S
authors.lastname: Tokumoto
authors.forename: Y
authors.initials: Y
authors.lastname: Kamiya