1.
Bernd Steffen, DESY

3. EO@XFEL: Positions First systems required for XFEL operation ≈ 06/2015
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First systems required for XFEL operation ≈ 06/2015

4. EOD: Parameters position injector injector (alternativ config.)
before BC1
after BC1
lower BL limit for EO-SD
energy
MeV
150
600
2000
expected bunch length (used for parameter optimization)
rms, ps 8
2.5
0.3
0.15
crystal thickness mm 5 2
0.5
chirped laser pulse length
FWHM, ps 20 10 6
min. measurable bunch length
rms, fs
500
300
250
100
minimum charge nC
0.25
0.05
0.10
resolution
400
200 50 30
useful time window ps 15 9 3
0.75

5. EOD: Simulations <- Injector simulation before BC2 ->
2.5ps gauss
<- after BC2
simulation
after BC2 ->
300fs gauss

6. EOD: Electronics layout

7. 1 MHz line detector 256 pixel linear PDA 40MHz clock via 8 ADCs
1MHz continuous line rate or 5 pulses with 40MHz
FPGA for width etc. calculation with 1MHz for fast feedback

8. 1 MHz line detector
First 3 prototypes currently under test
InGaAs in the current version, Si planned (no vendor found yet)

9. 1 MHz line detector: first tests
Laser power: Sub 1nJ (10ns)

10. Thank you for your attention!

12. SRM: Summary First systems required for XFEL operation ≈ 06/2015 TDS
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First systems required for XFEL operation ≈ 06/2015