“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 12594
School of Particles and Accelerator
  Title:   Phase Modulator Programming to Get Flat Pulses with Desired Length and Power from the CTF3 Pulse Compressors
1.  Seyad Hamed Shaker
2.  Roberto Corsini
3.  Piotr Skowronski
4.  Igor Syratchev
5.  Frank Tecker
  Status:   In Proceedings
  Proceeding: IPAC10 conference, Kyoto Japan
  Year:  2010
  Pages:   1425-1427
  Supported by:  IPM
The pulse compressor is located after the klystron to increase the power peak by storing the energy at the beginning and releasing it near the end of klystron output pulse. In the CTF3 [1] pulse compressors a doubling of the peak power is achieved according to our needs and the machine parameters. The magnitude of peak power, pulse length and flatness can be controlled by using a phase modulator for the input signal of klystrons. A C++ code is written to simulate the pulse compressor behaviour according to the klystron output pulse power. By manually changing the related parameters in the code for the best match, the quality factor and the filling time of pulse compressor cavities can be determined. This code also calculates and sends the suitable phase to the phase modulator according to the klystron output pulse power and the desired pulse length and peak power

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