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Paul Scherrer Institut PSI Accelerator Development and Operation Support

Paul Scherrer Institut
5232 Villigen PSI, Schweiz/Switzerland
Tel. +41 56 310 21 11
Fax. +41 56 310 21 99

E-Mail: andreas.streun@psi.ch

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SLS Internal Reports 2004


J.Chrin, M.Boege

An Event Service for the Propagation of Data

17-DEC-2004, 7 pages [PS] [PDF]

An event delivery mechanism based on the CORBA Event Service is described. Lowlevel hardware data are aggregated by event processing agents to produce complex events which supply summarized data to event channels for distribution to registered consumers, typically high-level software applications. The CORBA Notification Service, a recent extension to the Event Service, is also examined and potential enhancements to our event delivery system are identified.



Specifications of the Monochromator for the X-ray Tomographic Microscopy (XTM) beamline (X02DA) of the Swiss Light Source

1-SEP-2004, 22 pages [PDF]

Call for Tender: Optical system consisting of a Double Crystal/Multilayer Monochromator including Vacuum Chamber and Support Structure. The optical system is to be fabricated according to these specifications. The factory acceptance test will be surveyed by PSI staff and the site acceptance test will be performed by PSI staff accompanied by contractor representatives.


A. Jaggi

POMS Wartungsbericht

9-SEP-2004, 26 pages [PDF]


M. Böge

Achieving Sub-micron Stability in Light Sources

EPAC04, Lucerne,, 12-JUL-2004, 5 pages [PS] [PDF] [HTML]

One of the major goals for present and future light sources is to achieve sub-micron orbit stability of the electron beam at the photon beam source points over a large frequency range. This puts tight constraints on the design of the various accelerator components including girders, magnets, power supplies and diagnostic hardware. Fast orbit feedback systems based on high performance RF- and X-BPMs become essential to suppress residual orbit distortions. Furthermore, the top-up operation mode which guarantees a constant electron beam current and thus a constant heat load in 3rd generation light sources is one of the key ingredients to reach sub-micron stability.


S. Leemann

100 keV Gun Test Stand: Design and Parameter Study.

1-MAY-2004, 22 pages [PDF]

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