Joe Frisch: Synchrotron radiation sources and free ... - Conferences

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RF Accelerators Focus Magnet Accelerators use a series of resonant cavities (typically 1-10GHz) driven by a high power RF source. The electron bunch timing and the phases of the cavities are adjusted so that the electrons are accelerated in each cavity in sequence Alternating focus and de-focus magnets (can’t focus in both planes!) provide average focusing for the electron beam. Off axis beam trajectories will excite higher modes and produce wakefields that can disrupt the beam – can need ~100um tolerances on beam orbit. RF 16
100fs Room Temperature 200ns 10ms Pulse Structures Superconducting 1ms, ~1000 pulses 100ms 1us 100fs electron bunches ~200ns RF pulses, typically 1 but can contain multiple (
Page 1 and 2: Synchrotron Radiation Sources and F
Page 3 and 4: X-ray Beam Parameters • Energy /
Page 5 and 6: Grazing incidence mirror Focusing X
Page 7 and 8: Undulator Radiation Most high brigh
Page 9 and 10: Accelerators Synchrotron LINAC Acce
Page 11 and 12: Light Source: Petra III at DESY •
Page 13 and 14: LINACS • Single pass devices •
Page 15: Electron Guns RF guns used at SLAC
Page 19 and 20: Energy Time Initial beam Gun 6 MeV
Page 21 and 22: Bunch Compression - Wakefields •
Page 23 and 24: FELs: Gain and Coherent Emission
Page 25 and 26: Undulator as emission mechanism 25
Page 27 and 28: Self Amplified Spontaneous Emission
Page 29 and 30: � � � u p 2� � � 2 �
Page 31 and 32: Gain, Saturation and Taper LCLS Gai
Page 33 and 34: Seeding • FEL light is amplified
Page 35 and 36: Laser Seeding (ECHO) Laser fundamen
Page 37 and 38: Synchrotron Multi-User Capability S
Page 39 and 40: Future Light X-ray Sources • Most
Page 41 and 42: Low energy injector gun Recirculati
Page 43 and 44: Attosecond FELs • Operation at lo
Page 45 and 46: Laser-Plasma Accelerators - LBNL Po
Page 47 and 48: What isn’t covered here: • Almo
Page 49: Discussion • Imagine you want to

Joe Frisch: Synchrotron radiation sources and free ... - Conferences

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