• C.P. Welsch
  KIP, Heidelberg
• E. Bravin, A.E. Dabrowski, T. Lefèvre
  CERN, Geneva
• C.P. Welsch
  GSI, Darmstadt

Synchrotron radiation has proven to be a flexible and effective tool for measuring a wide range of beam parameters in storage rings, in particular information about the longitudinal beam profile. It is today an established and widely used diagnostic method providing online measurements and thus allowing for continuous optimization of the machine performance. At the CLIC Test Facility (CTF3), synchrotron radiation is routinely used at a number of diagnostic stations, in particular in the Delay Loop and the Combiner Ring. Measurements with both standard CCDs and a streak camera showed the wide range of possible applications of this method, including determination of inter-bunch spacing, charge per pulse and monitoring of the manipulation of the effective path length by an undulator. This contribution first addresses the critical points during the design phase of long optical lines with lengths of more than 30 meters as they had to be realized at CTF3. Second, a summary of the present installations is given and results from measurements are shown.

• P. Evtushenko
  JLAB, Newport News, Virginia

In this contribution we present results of the timing jitter and energy modulation of the electron beam in the driver energy recovery linac (ERL) for the JLab FEL. Measurements techniques are described. The effects of the timing jitter and the energy modulation on the performance of the FEL are discussed.

• I. Pinayev
  BNL, Upton, Long Island, New York

NSLS-II Storage Ring will provide ultrabright radiation sources with extra small sizes of the circulating electron beam. The beam dimensions will be monitored with a pinhole camera. In this paper we discuss possible design and ultimate achievable resolution of the system. The modeling is based on the SRW code as well as numerical calculations using MATLAB.