SA1 status, posted by Harald Sinn on 07 Apr 2025, 07:19
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7:15 SPB reports large background from non-lasing SASE3 bunches. BKR is informed.
7:50 BKR analysed situation. Everything concerning the orbits is OK, so the background is due to the standard spontaneous background (about <
1% level of FEL beam). With SASE3 running currently 255 lasing bunches and SASE1 single bunch the intensities will be on a similar level. Recommendation |
SA2 status, posted by Harald Sinn on 06 Apr 2025, 06:33 
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5:49 HED called and they have problems with the Laser Sync signal. A change of laser delay is not possibe. We supsect that it is similar to earlier this
week at FXE, where a crash of a sync CPU caused a similar error. BRK is informed and tries to reach somebody from sync Group via email (at 6:35, no OCD
phone number available) . If this does not work, we will work with the shifts starting at 7:00 on this (DOC and new BKR crew). |
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SA1 status, posted by Harald Sinn on 03 Apr 2025, 07:34
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7:20 FXE reports a problem with laser synchronisation (yellow warning light and could not change delay). BKR informs the DESY laser sync group.
7:51 DESY sync group reported that there was a CPU failing about 6 am this morning which led to the yellow warning light. However, synchronisation
was very likely all the time ok withing 5-10fs. The CPU was now reset and everything should be wokring now. |
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Shift end, posted by Tokushi Sato on 27 Mar 2025, 22:57
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**X-ray delivery:**
* 16 keV, ~upto 1 mJ, 160 pulses
**Optical Laser:** |
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Issue, posted by Romain Letrun on 17 Mar 2025, 06:51
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| The status of the FXE shutter in the Public status display DOOCS panel is incorrect. Here appears as opened, when it is actually closed. |
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Status, posted by Harald Sinn on 15 Mar 2025, 19:49
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MID called and reported issue with Dachs terminals at the user labs (probably no power). TS was informed. Because the lab are currently accessible
(doors are locked open), TS will take care about it on Monday. |
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Shift summary, posted by Raphael de Wijn on 12 Mar 2025, 23:14
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SPB/SFX shift summary user experiment 6933 (setup day)
X-ray delivery
-9.6-9.72 keV with Hirex monitoring, 1.4-1.8 mJ/pulse, 352 pulses/train at 1.1 MHz pulse repetition rate, short pulses |
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Shift summary, posted by Tokushi Sato on 04 Mar 2025, 07:05
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X-ray delivery
up to 188/352 pulses per train (~1 mJ pulse energy)@13.4 keV, 0.5/1.1 MHz
Optical laser delivery |
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Shift summary, posted by Tokushi Sato on 03 Mar 2025, 07:05
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X-ray delivery
up to 188 pulses per train (~1 mJ pulse energy)@13.4 keV, 0.5 MHz
Optical laser delivery |
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Shift summary, posted by Tokushi Sato on 02 Mar 2025, 06:56
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X-ray delivery
up to 175 pulses per train (~1 mJ pulse energy)@13.4 keV, 0.5 MHz
Optical laser delivery |
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Issue, posted by Martin Dommach on 01 Mar 2025, 11:53
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Due to issues SCS has with pulses from SASE1 lasing in SASE3 and destroying,
or at least modifying, their sample, it was decided to change the order
in the RF configuration to have SASE3 pulses before SASE1. The change will be done at 12 pm, agreed with FXE. |
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Shift summary, posted by Tokushi Sato on 01 Mar 2025, 06:56
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X-ray delivery
up to 202/352 pulses per train (~0.8 mJ pulse energy)@13.4 keV, 0.5/1.1 MHz
Optical laser delivery |
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Shift summary, posted by Tokushi Sato on 28 Feb 2025, 06:57
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X-ray delivery
up to 202/352 pulses per train (~0.8 mJ pulse energy)@13.4 keV, 0.5/1.1 MHz
Optical laser delivery |
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Shift summary, posted by Tokushi Sato on 27 Feb 2025, 07:02
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X-ray delivery
up to 202/352 pulses per train (~0.8 mJ pulse energy)@13.4 keV, 0.5/1.1 MHz
Optical laser delivery |
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Shift summary, posted by Jayanath Koliyadu on 25 Feb 2025, 02:41
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X-ray delivery
-15 keV with Hirex monitoring, 0.5 mJ/pulse, 202 pulses/train at 0.56 MHz pulse repetition rate
Optical laser delivery |
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Shift summary, posted by Mohammad Vakili on 21 Feb 2025, 23:21
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SPB/SFX shift summary user experiment 8039
**X-ray delivery**
-15 keV with Hirex monitoring, 0.5 mJ/pulse, 202 pulses/train at 0.56 MHz pulse repetition rate |
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Shift summary, posted by Chan Kim on 20 Feb 2025, 23:29
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X-ray delivery
12.4 keV, 1.1mJ/pulse, 202 pulses/train at 0.56MHz
Focused NKB beam was used
Optical laser delivery
ns laser for jet visualization
Achievements/Observations |
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Shift summary, posted by Chan Kim on 19 Feb 2025, 21:25
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X-ray delivery
-12.4 keV, 202 pulses, 0.5 MHz, 1mJ/pulse
Optical laser delivery |
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Shift summary, posted by Tokushi Sato on 17 Feb 2025, 06:57
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X-ray delivery
up to 202 pulses per train (~1.9 mJ pulse energy)@9.3 keV, 0.5 MHz
Optical laser delivery |
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Shift summary, posted by Tokushi Sato on 16 Feb 2025, 06:46
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X-ray delivery
up to 202 pulses per train (~1.9 mJ pulse energy)@9.3 keV, 0.5 MHz
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