Title: Where Do We Stand With Start-End Simulations Author: Sven Reiche Last modified by: Sven Reiche Created Date: 6/17/2002 8:19:29 PM Document presentation format
Paul Emma. Stanford Linear Accelerator Center. July 2, 2002 ... Use line-charge CSR transient model described in LCLS-TN-01-12... (Stupakov/Emma, Dec. 2001) ...
Simulation of Microbunching Instability in LCLS with Laser-Heater. Juhao Wu, M. Borland (ANL), P. Emma, Z. Huang, C. Limborg, G. Stupakov, J. Welch ...
Steady-state, free-space CSR longitudinal impedance (Derbenev et al., Murphy et al. ... four bend systems: BC1, BC2, and two beam transport dog legs (DL1, DL2) ...
The application of the Compton backscattering of the laser photons on the ... [2] E.M. Purcell, Electricity and magnetism (Berkeley physics course, Vol.2) ...
John Byrd Lawrence Berkeley National Laboratory Overview Coherence of Synchrotron Radiation Challenges for generating CSR CSR Microbunching Instability CSR from Laser ...
ICFA Miniworkshop on XFEL Short Bunch Measurement and Timing, SLAC. July 29, 2004 ... 100 ampere. XFEL calls for very high peak current ~ several kilo ampere ...
'Any fool with four dipoles can compress a bunch' anonymous ... R. Carr. energy profile. long. space. temporal profile. micro-bunching. sd 3 10-6. 230 fsec ...
Stop the FEL amplification in the undulator and measure the ... Spontaneous v.s. FEL gain. Spontaneous fundamental in 3% BW (Z. Huang, K.-J. Kim. FEL2002) ...
Carr et al. NIM-A 463 (2001) p. 387. Current Threshold for Detection. of Coherent Signal ... Carr et al. NIM-A 463 (2001) p. 387. CSR is emitted in bursts. ...
Z. Huang, M. Borland (ANL), P. Emma, J. Wu. C. Limborg, G. Stupakov, J. Welch ... Such a cold beam can be subject to other 'undesirable' instabilities in the ...
Drift Collimator Achromat. Congestion problems in certain regions: Searching alternatives to Collimator Achromat : Bunch Stretching with Wiggler Modules ...
Measurements of the LCLS Laser Heater and its impact on the X-ray FEL Performance Z. Huang for the LCLS commissioning team Outline How does a laser heater work?
Title: PowerPoint Presentation Author: Paul Emma Last modified by: Paul Emma Created Date: 12/14/2001 11:54:39 PM Document presentation format: On-screen Show
Strained-well InAlGaAs/AlGaAs structures designed and grown by St. Petersburg in Russia: ... ILC laser: existing 76 MHz ML oscillator/25 times=3MHz ...
Title: PowerPoint Presentation Author: Courtlandt L. Bohn Last modified by: Gerald C. Blazey Created Date: 6/11/2002 2:36:33 PM Document presentation format
Stronger Landau Damping. Current design has energy spread 1 10-4 for the FEL ... Landau damping of the density modulation is not too sensitive to the location of ...
See clear formation of separatrix and empty buckets at frequency of 201 MHz. ... Maximum particle density occurs outside of separatrix. Example particle line density ...
Femtosecond (fs) x-ray pulses are keys to exploring ultra-fast science at a ... In typical XFEL designs based on SASE the photon pulse is similar in duration to ...
Carr et al. NIM-A 463 (2001) p. 387. Current Threshold for Detection. of Coherent Signal ... Carr et al. NIM-A 463 (2001) p. 387. CSR is emitted in bursts. ...
The stability and reliability of the photocathode RF gun is dominated by the laser system. Our experience shows good and on-line diagnostics is critical for the ...
Single-shot interferometer w/ 3.3mm to 20 mm range. ... Develop single-shot capability with U. Georgia: - multichannel detector based on mirage effect ...
Accelerator-Based Sources of Coherent Terahertz Radiation UCSC, Santa Rosa CA, ... Bolometer signal (V) ALS Data. G.L. Carr et al.:, NIMA 463, 387, (2001) ...
Measurements of the LCLS Laser Heater and its impact on the X-ray FEL Performance ... m-Bunching Landau Damped by Laser Heater. Elegant simulations. 5. Zhirong Huang ...
LCLS Diagnostics and Commissioning Workshop Injector, Linac and Undulator Diagnostics and Beam Position Monitors P. Krejcik Context of Diagnostics in Commissioning ...
and using spectrum of prompt g. Number of 'blind' modules per ... 7cm spoiler (TN101) 19.3 modules / m-bunch. 8.1 modules / m-bunch. 27.4 modules / m-bunch ...
At SuperB we can make measurements sensitive to CP,T or CPT violation in t ... Electrons per bunch1. Units. Value. Symbol. Parameter. The ILC polarized electron source ...
TraFIC4 (w/ DESY) to simulate Coherent Synchrotron ... Hiatus Zone. Interaction Zone ... coordinates may have changed, a hiatus period is introduced to wait for ...
... BTF system was written by the same person (Joe Mead) who programs the SNS BPM gate array ... Resonant Quadrupole Plumbing. Diagnostics Design Review. 28 ...
Cropping image or second kick fix problem. Full FEL. X Kick at. Undulator 5. X Kick 0.75 mm ... sE/E 0.01% (slice) 9. Daniel Ratner. dratner@slac.stanford.edu ...
The collimator mission is to clean the beam halo from e- or e off orbit which ... Simulations validated by our test beam data are used to predict transverse wakes ...
Initial maximum energy of 500 GeV, operable over the range 200-500 GeV for physics running. ... The Bouncer Compensated Pulse Transformer Style Modulator ...
under-compression of head & tail from 3rd-order term. L2 wakes induce new 3rd-order correlation ... 1st, and 2nd-order correctable with S-band and X-band RF...