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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn, Page 9 of 24  Not logged in ELOG logo
Entry   Shift summary, posted by Jan-Etienne Pudell on 07 May 2023, 02:23 
We had stable x-ray delivery with 120µJ and up to 300 pulses.

Successful user data acquisition of water and water+THF samples at various supercooled states
Entry   Shift summary, posted by Jan-Etienne Pudell on 08 May 2023, 02:38 
Stable beam delivery with 23keV and 140µJ at 2.2, 1.1 and 0.55MHz

 

User data acquisition during the day interrupted by storage and detector DAQ problems:
Entry   Shift summary, posted by Romain Letrun on 09 May 2023, 23:09 
X-ray delivery


9.3 keV, 1.8 mJ, 202 pulses most fo the day. Pronounced (~30-40%) slope across the train.
Pointing initially far off the reference
crosshair. One hour required at the start of the shift to go to 9.3 keV and align the beam to the crosshair.


Optical laser delivery
Entry   Shift summary, posted by karen appel on 10 May 2023, 09:51 
for 9th of May - 10th of May: user experiment 2740 , first users with DIPOLE100-X long pulse laser

Took beam at 18 keV with roughly 450 muJ

M1 and M2 Mirrors on Pt stripe, M3 on B4C and with Tx = 4
Entry   Shift summary, posted by Romain Letrun on 10 May 2023, 23:23 
X-ray delivery


9.3 keV, 1.6 mJ, 202 pulses msot of the day.
Slope across the train reduced comapred to yesterday, now about 25%.
Changes
in number of pulses in SASE3 not always automatically picked-up by kickers adaptation and requiring a nudge from BKR to restore performances.
Beam
Entry   Shift summary, posted by Konopkova Zuzana on 11 May 2023, 05:07 
beam parameters: 18 keV, 1 pulse on demand, 400 uJ

achieved:


VISAR calibrations
timing between X-rays, VISAR laser and DIPOLE laser
main shots with DIPOLE energies up to 35
Entry   Shift summary, posted by Romain Letrun on 11 May 2023, 23:48 
X-ray delivery


9.3 keV, 1.4-1.8 mJ and 12 keV, 1.1 mJ. 202 pulses most of the day.
Reduced slope after afternoon tuning, down to 20%.
Change
to 12 keV with file prepared earlier this week did not work (no lasing). Tuning to 12 keV took 40 minutes.
30 minutes downtime in the morning.


Optical
Entry   Shift summary, posted by Romain Letrun on 12 May 2023, 23:21 
X-ray delivery


9.3 keV, 1.8 mJ, 202 pulses most of the day.
Attempted tuning to 14.8 keV during the first hour fo the shift did not work
out. More time will be spent tomorrow morning tuning to that photon energy.
Overall stable delivery. Only a magnet failure at 20:25 resulted
Entry   Shift summary, posted by Tokushi Sato on 18 May 2023, 18:41 
X-ray delivery


9.3 keV, ~1 mJ, 1-30 pulses, stable delivery


Optical laser delivery


None


Achievements/Observations
Entry   Shift summary, posted by Tokushi Sato on 19 May 2023, 18:39 
X-ray delivery


9.3 keV, 800 uJ, 1-200 pulses, stable delivery


Optical laser delivery


None


Achievements/Observations
Entry   Shift summary, posted by Tokushi Sato on 21 May 2023, 18:38 
X-ray delivery


9.3 keV, 800 uJ, 1-200 pulses, stable delivery


Optical laser delivery


None


Achievements/Observations
Entry   Shift summary, posted by Jörg Hallmann on 25 May 2023, 01:59 
optimization of seeding ongoing

tasks achieved during alignment:

- polarizer aligned
Entry   Shift summary, posted by Tokushi Sato on 25 May 2023, 06:35 
X-ray delivery


10.7 keV, 1.2 mJ, 1-200 pulses, stable delivery


Optical laser delivery


None


Achievements/Observations
Entry   Shift summary, posted by Fernando Ardana on 28 May 2023, 23:15 
User proposal 3273:


X-ray delivary

We use several deliveraly modes:

Continous single pulse
Continous 30 pulses
POD:
1 pulses / 30 pulses


All works fine, FXE is sastificed with X-ray delivery


DA:

Few
Entry   Shift summary, posted by Romain Letrun on 30 May 2023, 23:02 
X-ray delivery


10.7 keV, up to 339 pulses at 1.1 MHz.
Large slope through the train, up to 70% with 339 bunches. BKR was not able to find
the cause so far, we agreed to pursue this further tomorrow.


Achievements/Observations
Entry   Shift summary, posted by Romain Letrun on 31 May 2023, 23:15 
X-ray delivery


10.65 keV, 128 pulses at 1.13 MHz and 16 pusles at 141 kHz.
Slope reduced at the start of the shift. Approximately 20% slope
after that with the patterns used for data collection today.


Optical laser delivery
Entry   Shift summary, posted by Konopkova Zuzana on 01 Jun 2023, 12:10 
X-ray parameters: 20 keV (20080 eV from HIREX), 352 pulses, cca 250 uJ


changed setup to diamond anvil cell experiments with laser heating
installation of AGIPD detector
running user
samples, mostly carbon materials to constrain the phase diagram of carbon at high pressures and temperatures.


experiment going overall
Entry   Shift summary, posted by Romain Letrun on 01 Jun 2023, 23:27 
X-ray delivery


10.65 keV, 128 pulses at 1.13 MHz and 16 pusles at 141 kHz.
Overall stable delivery.


Optical laser
delivery
Entry   Shift summary, posted by Romain Letrun on 02 Jun 2023, 23:34 
X-ray delivery


10.65 keV, 128 pulses at 1.13 MHz, 1.6-1.7 mJ.
Overall stable delivery.


Optical laser delivery


800 nm, 50 fs, 226 pulses at 1.13 MHz.


Achievements/Observations
Entry   Shift summary, posted by Thomas Preston on 03 Jun 2023, 09:42 
X-ray parameters: 20 keV,  352 pulses, ca 300 uJ


running user samples.


experiment going overall well.

X-ray performance:
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