Shift summary, posted by Motoaki Nakatsutsumi on 24 Feb 2024, 11:58
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Shift summary 2024-02-23 07:00 - 2024-02-24 10:00
We got self-seeding at 8.5 keV very quickly after changeover from 10.5 keV operation finished at 2024-02-23 07:00.
Pulse energy ~ 600 uJ. |
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Shift summary, posted by Johan Bielecki on 25 Feb 2024, 00:11
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X-ray delivery
9.10 keV; 190 pulses per train @1.1 MHz with roughly 140-200 uJ; observed some fluctuation in the photon flux
Optical laser delivery |
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Shift summary, posted by Motoaki Nakatsutsumi on 25 Feb 2024, 14:47
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Shift summary for 2024-02-24 from 07:00 to 2024-02-25 at 14:00:
Self-seeding at 8.5 keV, with approximately 500 μJ per pulse. Following re-tuning around 10 am on the 25th, the energy per pulse increased
to around 600 μJ. |
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Shift summary, posted by Tokushi Sato on 25 Feb 2024, 22:54
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X-ray delivery
9.10 keV; 190 pulses per train @1.1 MHz with roughly 170-200 uJ; stable delivery
Optical laser delivery
ns laser for particles visualization
Achievements/Observations |
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Shift summary, posted by Motoaki Nakatsutsumi on 26 Feb 2024, 14:32
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Shift summary for 2024-02-25 from 11:00 to 2024-02-25 at 14:00:
Self-seeding at 8.5 keV, with approximately 500 μJ per pulse.
Overall, the performance of x-ray self-seeding remains good, and users are happy. Pointing stability is also exceptional. However, enhancing |
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Shift summary, posted by Jörg Hallmann on 29 Feb 2024, 02:41
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Stable seeding with 1mJ + 400mJ SASE
HIREX triggered interlock when all attenuators are removed
successful test of nano focusing setup |
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Shift summary, posted by Romain Letrun on 29 Feb 2024, 10:04
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X-ray delivery
10 keV, up to 160 pulses at 1.1MHz, 1.8 mJ
Optical laser
delivery |
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Shift summary, posted by Jörg Hallmann on 01 Mar 2024, 06:30
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Shift summary (Feb 29th):
Stable seeding with 1mJ + 400mJ SASE
Alignment of Split and Delay Line |
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Shift summary, posted by Romain Letrun on 01 Mar 2024, 10:54
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X-ray delivery
10 keV, up to 128 pulses with custom bunch pattern, 1.6-2.0 mJ
Optical laser delivery
NA
Achievements/Observations |
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Shift summary, posted by Raphael de Wijn on 04 Mar 2024, 06:52
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X-ray delivery
10 keV, up to 128 pulses with custom bunch pattern, 1.6-2.0 mJ
Optical laser delivery
NA
Achievements/Observations |
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Shift summary, posted by Marcin Sikorski on 05 Mar 2024, 07:41
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10 keV beam
Detector: JUNGFRAU in the burst mode (16 memory cells)
Achievements:
multiple sfx data sets (lysozyme)
with 4 and 8 pulses (at 1.1MHz) per exposure taken
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Shift summary, posted by Chan Kim on 13 Mar 2024, 23:41
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X-ray delivery
6 keV, 2.6 mJ/pulse, stable delivery
Optical laser delivery
800nm PP laser, stable delivery
Achievements/Observations |
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Shift summary, posted by Chan Kim on 15 Mar 2024, 00:16
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X-ray delivery
6 keV, 2.4 mJ/pulse, stable delivery
Optical laser delivery |
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Shift summary, posted by Chan Kim on 15 Mar 2024, 23:43
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**X-ray delivery**
- 6 keV, 3.2 mJ/pulse, stable delivery
**Optical laser delivery** |
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Shift summary, posted by Giuseppe Mercurio on 20 Mar 2024, 23:03
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Late shift summary
coarse timing
installed laser shutter on the laser
breadboard and I0 diode
exchanged camera of microscope to improve resolution
knife edge scans of FEL after BOZ
realized
that knife edge scans of OL cannot be done with present setup because OL cannot reach the diode in DIAG
Nahid prepared FeByP 1 liter, 30 mM
preparation |
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Shift summary, posted by Peter Zalden on 20 Mar 2024, 23:15
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Preparation for user experiment transient grating, Cris Svetina
Used 7.12 keV from ACC with very good performance, above 4 mJ
Got spatiotemporal overlap with transient gratings using monochromatic
beam
One issue solved by DOC: Picomotors could not be scanned in karabacon, even though this worked well two/three weeks ago
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Shift summary, posted by Raphael de Wijn on 21 Mar 2024, 06:33
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X-ray delivery
- 9.3 keV, >3 mJ/pulse, stable delivery
Optical laser delivery |
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Shift summary, posted by Peter Zalden on 21 Mar 2024, 23:20
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User experiment transient grating, Cris Svetina. (LTP)
Used 7.12 keV from ACC with very good performance, above 4 mJ.
Collected pump-probe data on user sample
Sudden
timing jump of around 20 ps. Could not find out why this happened some time between 9h today and 18h.
Needed to add camera to DAQ. Solved this |
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Shift summary, posted by Raphael de Wijn on 22 Mar 2024, 06:35
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X-ray delivery
- 9.3 keV, >3 mJ/pulse, beam down around 30min
Optical laser delivery |
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Shift summary, posted by Peter Zalden on 22 Mar 2024, 23:13
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User experiment transient grating, Cris Svetina. (LTP)
Used 7.11 keV from ACC with very good performance, above 4 mJ.
Collected pump-probe data on user sample most of the time
today, only minor interruptions due to accelerator outages
After the outage at 21h, SASE came back with 17 eV lower photon energy, so we had |