Phys. Rev. Lett. 93, 244802 (2004) [4 pages]Beam-Size Measurement with Optical Diffraction Radiation at KEK Accelerator Test FacilityReceived 17 March 2004; published 8 December 2004 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 μm has been achieved. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.244802
DOI:
10.1103/PhysRevLett.93.244802
PACS:
41.75.Ht, 41.60.–m
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