Shift summary, posted by Richard Bean on 19 Feb 2023, 23:28
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X-ray delivery
9.3 keV, 120 pulses
Good Beam Stability -~1mJ
Achievements/Observations
Double Slit and V-Pattern Interference Measurements
Nearfield Ptycho-Scans
Nano-KB (@Richard)
Issues |
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Shift summary, posted by Richard Bean on 26 Apr 2023, 01:03
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SPB/SFX User shift 1 3333
X-ray delivery
9.3 keV, 1.7 mJ, 202 pulses @ 564 kHz |
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Shift summary, posted by Richard Bean on 27 Apr 2023, 23:33
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SPB/SFX PCS user proposals (day 1)
X-ray delivery
9.3 keV, 1600 uJ/ pulse
Achievements/Observations |
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Shift summary, posted by Richard Bean on 28 Apr 2023, 21:55
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SPB/SFX In-house research 4978
X-ray delivery
9.3 keV 202 pulses / train, relatively stable intensity 1.9 mJ / pulse, some decrease in intensity across train
Optical |
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Shift summary, posted by Richard Bean on 29 Apr 2023, 22:00
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SPB/SFX In-house research 4978 shift 2
X-ray delivery
9.3 keV 202 pulses / train, relatively stable intensity 2.0 mJ / pulse at start of train, ~30% decrease in intensity across train
BKR |
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All SASE's - SEPS Interlock Test - Results, Status & Upcoming Schedule, posted by Raśl Villanueva-Guerrero on 25 Jan 2023, 08:40
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Dear all,
please find here a summary of the status on this critical topic provided yesterday evening (around 19:15) by Zunaira Ansari (extract from her
e-mail). |
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ZZ Access on 24th January (19:30h) - Replacement of Motor on SASE2 Undulator - Cell 17 Phase Shifter, posted by Raśl Villanueva-Guerrero on 25 Jan 2023, 08:44
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Dear all,
last evening Suren Karabekyan and myself did a short notice ZZ access to XTD1. The reason is that machine operators detected the lack of response
on the Cell 17 Phase Shifter. The intervention was successful and around 20:30 we left the tunnel. |
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Vacuum Leak in SA2-XTD1 Solid Attenuator - [SOLVED] - Preliminary report, posted by Raśl Villanueva-Guerrero on 09 Jun 2023, 15:41
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Dear all,
After the incidences reported yesterday and the diagnostic remotely done (where we could narrow down the root cause to the edge-welded below
at the Linear stage of the arm Nr. 6 - 2.4 mm CVD diamond], we confirmed this as a fact during the schedule access today. Here is a succint summary of |
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Vacuum Leak in SA2-XTD1 Solid Attenuator - [SOLVED] - Closing report , posted by Raśl Villanueva-Guerrero on 13 Jun 2023, 11:23
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Dear all,
the closing report on this issue can be found in the following Alfresco link:
https://docs.xfel.eu/share/s/GzxORQOGToe_tiug7LIHhQ |
Issue, posted by Raśl Villanueva-Guerrero on 10 Aug 2023, 22:43 
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Here is a capture of the observed issue with the SPB shutter the past night.
Observe the two opening/closing incidents: the first kept the shutter "OPEN" signal during 4 minutes aprox., and the second did |
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Shift summary, posted by Raphael de Wijn on 30 Apr 2023, 21:59
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SPB/SFX In-house research 4978 shift 3 - end
X-ray delivery
9.3 keV 352 pulses / train, relatively stable intensity ~1.9 mJ / pulse
beam down ~30 min
Optical |
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Shift summary, posted by Raphael de Wijn on 22 Sep 2023, 07:27
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X-ray delivery
7 keV, 202 pulses, 564 kHz, ~1.3 mJ, stable delivery
Optical laser delivery
None
Achievements/Observations |
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Shift summary, posted by Raphael de Wijn on 24 Sep 2023, 07:28
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X-ray delivery
7 keV 202 pulses 1.6mJ stabel across train and throughout the shift
Beam down at 7am again, power glitch same as yesterday
Achievements/Observations
faster changover and alignment
YAG on nozzle worked
collected data the droplets in oil sample delivery method - |
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Shift summary, posted by Raphael de Wijn on 17 Oct 2023, 23:23
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X-ray delivery
13.6 keV, ~1.6 mJ and up to 202 pulses at 0.5 MHz
Optical laser delivery
PP laser, stable delivery
Achievements/Observations |
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Shift summary, posted by Raphael de Wijn on 18 Oct 2023, 23:19
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X-ray delivery
13.6 keV, ~1.8 mJ and up to 352 pulses at 1.1 MHz
Optical laser delivery
PP laser, amphos laser computer in error for ~2h
Achievements/Observations |
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Shift summary, posted by Raphael de Wijn on 22 Oct 2023, 00:27
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X-ray delivery
13.6 keV, ~1.6 mJ and up to 352 pulses at 1.1 MHz.
Beam down until around 1PM.
After agreement with FXE, we could
collect data until midnight.
Optical laser delivery |
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Shift summary, posted by Raphael de Wijn on 23 Oct 2023, 05:15
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X-ray delivery
13.6 keV, ~1.6 mJ and up to 352 pulses at 1.1 MHz.
Beam down from 10:30 to 19:00.
Optical laser
delivery |
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Shift summary, posted by Raphael de Wijn on 30 Oct 2023, 07:10
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X-ray delivery
7.8keV, ~2.5mj, no beam before 1:15am
One undulator was not moving, expert was called
Optical laser
delivery |
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Shift summary, posted by Raphael de Wijn on 22 Nov 2023, 23:18
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X-ray delivery
16.9 keV, up to 30 pulses and 1.1 MHz for alignment, 1 pulse for data collection
700-800 uJ
stable delivery
Optical
laser delivery |
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Shift summary, posted by Peter Zalden on 02 Feb 2023, 09:25
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FXE bring-up, summary of shifts 31.1. and 1.2.:
Beam delivery (11.5 GeV)
9.3 keV, 1.5 mJ (31.1.)
7.1 keV, 1.7 mJ (1.2.)
Horizontal beam jitter 200 µm (RMS), a bit more than usual
Tunnel |