DESY, Hamburg
The former electron and proton preaccelerator PETRA at DESY is currently reconstructed and will be converted into the most brilliant storage-ring-based X-ray source worldwide called PETRAIII. The commissioning is scheduled for January 2009. It will operate at 6 GeV with 100 mA stored current and with a design emittance of 1 nm rad. Top-up operation is foreseen right from the beginning to reduce changes in heat-load and thermal drifts to a minimum,. Suitable beam diagnostic instrumentation and machine protection systems have to be established to guarantee the low emittance, a sub-micron beam stability as well as a save machine operation. To ensure a very high availability of the beam in top-up mode, the injector and preaccelerator diagnostic systems will be refurbished as well. A complete overview of the instrumentation and their latest developments to achieve these goals will be presented.
