FLASH Simulations
SASE Killer
Igor Zagorodnov
S2E Meeting
DESY24 June 2014
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 2
Quiet and Modulated Bunches
-80 -60 -40 -20 0 20 40 60 80
584.2
584.4
584.6
584.8
585
585.2
585.4
585.6
585.8
-60 -40 -20 0 20 40 60
582.5
583
583.5
584
584.5
585
585.5
586
586.5
587
𝑠[ um ]𝑠[ um ]
𝐸 [MeV ]
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 3
-50 0 500
0.5
1
1.5
2
Quiet and Modulated Bunches
𝑠[ um ]
𝐼 [kA ]
[um] [um]
[MeV]
𝑠[ um ]-50 0 500
0.5
1
1.5
2
𝐼 [kA ]
[um] [um]
[MeV]
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 4
Quiet Beam
𝑠[ um ]
𝛾
𝑠[ um ]
𝛾
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
At the beginning of the undulator
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 5
Quiet Beam
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
𝑠[ um ]
𝛾
𝑠[ um ]
𝛾
At the end of the undulator
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 6
Quiet Beam
0 5 10 15 20 25 30 350
0.5
1
1.5
2
2.5
3x 10
4 mean energy in mkJ
Era
d
0 5 10 15 20 25 30 350
0.5
1
1.5
2
2.5
3x 10
4 mean energy in mkJ
Era
d
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
Radiation energy (one shot)
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 7
Quiet Beam
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
-50 0 500
0.5
1
1.5
2
2.5
3
3.5Energy distribution at 21.6216m
s [um]
P [G
W]
Radiation power (one shot)
-50 0 500
0.5
1
1.5
2
2.5
3
3.5Energy distribution at 21.6216m
s [um]
P [G
W]
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 8
Modulated Beam
-60 -40 -20 0 20 40 60
582.5
583
583.5
584
584.5
585
585.5
586
586.5
587
𝑠[ um ]
𝐸 [MeV ]
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 9
Modulated Beam
𝑠[ um ]
𝛾
𝑠[ um ]
𝛾
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
At the beginning of the undulator
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 10
Modulated Beam
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
𝑠[ um ]
𝛾
𝑠[ um ]
𝛾
At the end of the undulator
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 11
Modulated Beam
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
Radiation energy (one shot)
0 5 10 15 20 25 30 350
0.5
1
1.5
2
2.5
3x 10
4 mean energy in mkJ
Era
d
0 5 10 15 20 25 30 350
0.5
1
1.5
2
2.5
3x 10
4 mean energy in mkJ
Era
d
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 12
Modulated Beam
ALICE particle distribution generated from first and second slice moments
ALICE particle distribution generated from ASTRA file
Radiation power (one shot)
-50 0 500
0.5
1
1.5
2
2.5
3
3.5Energy distribution at 21.6216m
s [um]
P [G
W]
-50 0 500
0.5
1
1.5
2
2.5
3
3.5Energy distribution at 21.6216m
s [um]
P [G
W]
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 13
0 5 10 15 20 25 30 350
0.5
1
1.5
2
2.5
3x 10
4 mean energy in mkJ
Era
d
Quiet and Modulated Beams
0 5 10 15 20 25 30 350
0.5
1
1.5
2
2.5
3x 10
4 mean energy in mkJ
Era
d
Radiation energy (one shot)
-80 -60 -40 -20 0 20 40 60 80
584.2
584.4
584.6
584.8
585
585.2
585.4
585.6
585.8
-60 -40 -20 0 20 40 60
582.5
583
583.5
584
584.5
585
585.5
586
586.5
587
Igor Zagorodnov | S2E Meeting, DESY | 24 June 2014 | Seite 14
Quiet and Modulated BeamsRadiation power(one shot)
-80 -60 -40 -20 0 20 40 60 80
584.2
584.4
584.6
584.8
585
585.2
585.4
585.6
585.8
-60 -40 -20 0 20 40 60
582.5
583
583.5
584
584.5
585
585.5
586
586.5
587
-50 0 500
0.5
1
1.5
2
2.5
3
3.5Energy distribution at 21.6216m
s [um]
P [G
W]
-50 0 500
0.5
1
1.5
2
2.5
3
3.5Energy distribution at 21.6216m
s [um]
P [G
W]
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