| Paper |
Title |
Page |
| TUPPH020 |
Quiet Start Method in small signal HGHG FEL Simulation
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264 |
| |
- Y. Hao, Y. Hao
IUCF, Bloomington, Indiana
- L.-H. Yu
BNL, Upton, Long Island, New York
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Quiet start scheme is broadly utilized in Self Amplified Spontaneous Radiation (SASE)FEL simulations, which is proven to be correct and efficient. Nevertheless, due to the energy modulation and dispersion section, the High Gain Harmonic Generation (HGHG) FEL simulation will not be improved by the traditional quiet start method. A new approach is presented to largely decrease the number of macro-partilces per slice that can be implemented in both time-independent and time-dependent simulation, accordingly expedites the high order harmonic cascade simulation or other small signal HGHG cases.
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