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Nawrocky, R.J.; Ma, Li; Rarback, H.M.; Singh, O.V.; Yu, L.H.
Brookhaven National Lab., Upton, NY (USA)1987
Brookhaven National Lab., Upton, NY (USA)1987
AbstractAbstract
[en] Initial observations of motion of the undulator radiation in the NSLS X-17T beam line clearly indicated that the beam had to be stabilized in both directions to be usable for the planned soft x-ray imaging experiments. The low frequency spectra of beam motion contained peaks in the range from dc to 60 Hz and at higher frequencies. A beam steering system employing closed orbit feedback has been designed and installed to stabilize the beam in both planes. In each plane of motion, beam position is measured with a beam position detector and a correction signal is fed back to a local four magnet orbit bump to dynamically control the angle of the radiation at the source. This paper describes the design and performance of the beam steering system
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1987; 3 p; Particle accelerator conference; Washington, DC (USA); 16-19 Mar 1987; CONF-870302--183; Available from NTIS, PC A02/MF A01; 1 as DE87010054; Portions of this document are illegible in microfiche products.
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