Shift summary, posted by Tokushi Sato on 28 Aug 2023, 23:03
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X-ray delivery
9.3 keV, up to 185 pulses at 564 kHz, 2.3 mJ, stable delivery
Optical laser delivery
PP Laser, 800nm, 50 fs, up to 62 pulses @ 188 kHz
Achievements/Observations |
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Shift summary, posted by Wonhyuk Jo on 28 Aug 2023, 02:14
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Shift summary for 28th of Aug.
- Realigned the center of rotation.
- MID took the seeded beam at about 120 uJ around 4 p.m. after the long intervention. |
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Shift summary, posted by Tokushi Sato on 27 Aug 2023, 23:09
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X-ray delivery
9.3 keV, up to 185 pulses at 564 kHz, 2.4 mJ, stable delivery
Optical laser delivery
PP Laser, 800nm, 50 fs, up to 62 pulses @ 188 kHz
Achievements/Observations |
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Status, posted by Naresh Kujala on 26 Aug 2023, 18:02
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Dear All,
Two important machine updates.
1) Still, the forecasted time for the start-up of the machine will be tomorrow morning. |
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Status, posted by Naresh Kujala on 26 Aug 2023, 08:23
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- Machine updates;
Saturday 1:30 hr Cold compressor failed. The initial estimation of downtime was 20 hr, later in today morning crew gave a new estimation of time
of 30 hr. So the machine will be switched on and beam delivery to instruments will be tomorrow morning. Today at 3 pm, I will get more information and |
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Shift summary, posted by Felix Brausse on 26 Aug 2023, 02:07
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Shift summary the 25th of Aug
Found laser and X-ray spatiotemporal overlap with Bi diffraction peak
Found a diffraction peak from STO nano particles
X-ray
dose test is ongoing |
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Shift summary, posted by Tokushi Sato on 25 Aug 2023, 23:03
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X-ray delivery
9.3 keV, up to 185 pulses at 564 kHz, 2.7 mJ, stable delivery
Optical laser delivery
PP Laser, 800nm, 50 fs, up to 62 pulses @ 188 kHz
Achievements/Observations |
Shift summary, posted by Tommaso Mazza on 25 Aug 2023, 07:29 
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problems with machine operation
very low yield at 1.8keV, took ~2hrs tuning time to get 600uJ (linear taper)
SA3 cells opened without us knowing when hv was changed |
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Shift summary, posted by Johannes Moeller on 25 Aug 2023, 06:20
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Shift summary the 24th of Aug
MID takes the seeded beam about 200 uJ including SASE background.
Monochrometer is aligned.
Mono + CRL2 was tested.
Found
rough timing with a fast diode at the sample position
Finding the temporal overlap with Forsted YAG hasn't been done yet. The motor (PPODL) |
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Shift summary, posted by Tokushi Sato on 24 Aug 2023, 22:51
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X-ray delivery
9.3 keV, up to 185 pulses at 564 kHz, 3.7 mJ, stable delivery
Optical laser delivery
PP Laser, 800nm, 50 fs, up to 90 pulses @ 282 kHz
Achievements/Observations |
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Shift summary, posted by Tokushi Sato on 23 Aug 2023, 22:56
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X-ray delivery
9.3 keV, up to 185 pulses at 564 kHz, 3.7 mJ, beam intensity drop, missing last 10-20 pulses in train sometime
Optical
laser delivery |
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Shift summary, posted by Tokushi Sato on 22 Aug 2023, 23:32
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X-ray delivery
9.3 keV, up to 178 pulses at 564 kHz, 3.7 mJ, stable delivery
Beam delivery was started from 19:00
Optical
laser delivery |
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Status, posted by Naresh Kujala on 22 Aug 2023, 18:15
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Photon beam delivery status:
- Machine informed that beam will be handover to instruments SA1 (SPB/SFX) and SA3 (SXP) at 18.30hr
- Machine needs more time for SA2 and the next update will be at 20hr. |
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SA1 status, posted by Naresh Kujala on 22 Aug 2023, 15:56
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SA1 photon beam line status
- CRL1 lenses are in the beam.
- The shutter between XTD2 and XTD9 is closed (The reason is not known) |
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SA1 status, posted by Naresh Kujala on 22 Aug 2023, 15:52
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SA1 photon beam line status
- CRL1 lenses are in the beam.
- The shutter between XTD2 and XTD9 is closed (The reason is not known) |
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Experiment summary, posted by Konopkova Zuzana on 21 Aug 2023, 04:31
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beam: 7.7 keV seeded, ~300 uJ/pulse, 2.2 MHz, 20 pulses
user experiment finilized, IXS scans on Si, Al and Cu at different momentum transfer angles
measurements of plasmons in cold
material only
pulse energy increased slightly, however it is mostly in the SASE pedestal which is insufficient to caramelize the electrons into |
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Noght shift sammary 18.08.2023, posted by Sergii, Manuel on 19 Aug 2023, 07:16
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Night shift summary on 18.03.2023
Finished XAS series at 1.5 mJ/mm² for different delays
Performed XAS at 6 mJ/mm²
Tested tr-RIXS signal
at 1mj/mm² with 29 different delays, signal too weak to continue
Took 5 hours of tr-RIXS signal at 1.2 mj/mm² with 29 different delays
Problems: |
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Shift summary, posted by Konopkova Zuzana on 19 Aug 2023, 06:20
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beam parameters: 7.7 keV seeded, 2.2 MHz, up to 20 pulses, 150 uJ/pulse
user program, measuring IXS spectra of plasmons with high resolution using seeded beam and monochromators
mono (re-)alignment
to minimize the SASE pedestal of the seed. Need to search for good position of the beam on the crystals as with just a slight change in pointing, the transmission |
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Afternoon Shift Summary on 17.08.2023, posted by Justine Schlappa on 17 Aug 2023, 23:54
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Achievements:
1. Finalized tr-RIXS series at 1.74 mJ/cm2
2. Checked FEL alignment |
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Night shift summary on 16.08.23, posted by Sergii Parchenko, Manuel Harder on 17 Aug 2023, 11:09
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Achievements
Acquired tr-RIXS data with 4.0 mJ/cm² laser power for 21 delays between -2 and +10 ps at 853 eV. including static XAS and dark hRIXS
runs. Totally collected 210 minutes of data i.e. 10 minutes per delay
Acquired tr-RIXS data with 4.0 mJ/cm² laser power for 21 delays between |