Difference between revisions of "CeC Simulation Meeting"

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==Meeting Agenda==
 
==Meeting Agenda==
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* 01/19/2018:
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** [[media:Meeting_1_19_2018_Gang.pdf|Genesis simulation of FEL amplifier with undulators consisting of 3 subsections]],  by Gang Wang;
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* 10/27/2017:
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** [[media:Meeting_10_27_2017_Jun.pdf|Kicker simulations (Cooling kick is traced for three ions with reference energy and 0.03% off. The ions with energy errors are aligned with wave-packet according to R56. The phase slips inside kicker are still large. The kick to the on-energy ion is significant.)]],  by Jun Ma;
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* 10/20/2017:
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** [[media:Meeting_10_20_2017_Jun_1.pdf|Kicker simulations (Peak current is increased to 25 A and gain at ion is 60. Cooling kick is traced for three ions with reference energy and 0.1% off. The ions with 0.1% energy errors are arbitrarily put into the wave-packet, not according to R56)]],  by Jun Ma;
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** [[media:Meeting_10_20_2017_Jun_2.pdf|Dipole simulations]],  by Jun Ma;
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* 09/29/2017:
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** [[media:Meeting_09_29_2017_Jun.pdf|Kicker simulations (The problem with growing emittance is resolved. The peak current is also reduced to 23 A (gain is 40 at ion). Kick to ion is calculated. Substantial phase slip of ion w.r.t. wave-packets inside kicker is found.)]],  by Jun Ma;
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** [[media:Meeting_09_29_2017_Jun_oc.pdf|Orbit control tool]],  by Jun Ma;
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* 09/14/2017:
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** [[media:Meeting_09_14_2017_Jun.pdf|Kicker simulations (Kicker is treated as a drift section, i.e. no quads. The beam size does no grow linearly and the emittance grows significantly, indicating some problems with the codes.)]],  by Jun Ma;
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* 09/07/2017:
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** [[media:Meeting_09_07_2017_Jun.pdf|CeC simulations (Modulator and FEL simulation with reduced beam current, 40A->31A. The gain at ion is ~140. The optimal lattice functions at undulator are found with space charge effects taken into account.)]],  by Jun Ma;
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* 08/31/2017:
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** [[media:Meeting_08_31_2017_Jun.pdf|CeC simulations (Modulator and FEL simulation with not-so-matched beam at undulator entrance, beta functions are a factor of two larger. The intention is to see to what extent the beam has to be matched. Current is too large and FEL saturated)]],  by Jun Ma;
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* 08/17/2017:
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** [[media:Meeting_08_17_2017_Jun.pdf|Quadrupoles (Attempts to optimize quadrupoles in modulator so that beam is matched to FEL. The target lattice function does not take into account space charge effects along undulator)]],  by Jun Ma;
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* 07/20/2017:
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** [[media:Meeting_07_20_2017_Jun.pdf|Modulator simulation(New energy with gamma=28.7, not matched to FEL due to space charge effects)]],  by Jun Ma;
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* 04/06/2017:
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** [[media:Meeting_04_06_2017_Jun.pdf|Start-to-end CeC simulation (using smoothed parameters from raw particle distribution, beam not matched to FEL, see beam variation in wiggler from below plot)]],  by Jun Ma;
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** [[media:Meeting_04_06_2017_Jun_1.png|Transverse beam size variation along undulator for the simulation results shown in above slides]],  by Jun Ma;
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* 03/16/2017:
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** [[media:Meeting_03_16_2017_Jun.pdf|Start-to-end CeC simulation (using direct parameters from raw particle distribution via beam dynamics simulation, not much lasing observed)]],  by Jun Ma;
 
* 03/02/2017:  
 
* 03/02/2017:  
 
** [[media:Meeting_03_02_2017_Igor.pdf|Physics Applications in Matlab]],  by Igor Pinayev;  
 
** [[media:Meeting_03_02_2017_Igor.pdf|Physics Applications in Matlab]],  by Igor Pinayev;  

Latest revision as of 20:56, 16 February 2018

Meeting Goals

The CeC simulation meeting is focused on developing simulation as well as analytical tools to advance understandings of coherent electron cooling (CeC).

Meeting Agenda