title: Beam-size measurement with optical diffraction radiation at KEK accelerator test facility.
abstract: An experiment on the investigation of optical diffraction radiation (ODR) from a slit target as a possible tool for noninvasive electron beam-size diagnostics has been performed at the KEK accelerator test facility. The experimental setup has been installed at the diagnostics section of the extraction line. We have performed the first incoherent ODR observation from a slit target. The measured angular distributions are in reasonable agreement with the theoretical expectation. The beam-size effect onto the ODR angular pattern has been observed. Moreover, the sensitivity to the beam size as small as 14 microm has been achieved.
authors.affiliation: KEK: High Energy Accelerator Research Organization, 1-1 Oho, Tsukuba, Ibaraki 305-0801, Japan. karataev@post.kek.jp
authors.forename: Pavel
authors.initials: P
authors.lastname: Karataev
authors.forename: Sakae
authors.initials: S
authors.lastname: Araki
authors.forename: Ryosuke
authors.initials: R
authors.lastname: Hamatsu
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Hayano
authors.forename: Toshiya
authors.initials: T
authors.lastname: Muto
authors.forename: Gennady
authors.initials: G
authors.lastname: Naumenko
authors.forename: Alexander
authors.initials: A
authors.lastname: Potylitsyn
authors.forename: Nobuhiro
authors.initials: N
authors.lastname: Terunuma
authors.forename: Junji
authors.initials: J
authors.lastname: Urakawa