Shift summary, posted by Ulrike Boesenberg on 30 Jul 2023, 02:02
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9.3 keV, 1-35pulses, stable delivery ~600uJ
*General alignment of MID branch to the DES
*Commissioning of CRL2 (MID_XTD6_CRL) together with EEE after change to close loop in the maintenance period and alignment of lenses, characterization |
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Shift summary, posted by Ulrike Boesenberg on 30 Jul 2023, 23:06
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9 and 10keV beam, up to 30 bunches, significant drop in intensity in the morning and in the evening.
Activities:
Commissioning of EH MIRR device |
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Shift summary, posted by Jörg Hallmann on 09 Aug 2023, 01:42
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after alignment of the beam, the main topic of the day were flatfields for the AGIPD with various
settings
corresponding darks have been taken in addition
it was challenging to generate proper flatfield intensities
on the detector (1photon peak equally high as the 0photon peak) due to the low intensity (750uJ)
shift crew received a warning of the machine |
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Shift summary, posted by Jörg Hallmann on 10 Aug 2023, 01:31
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- finalized the flatfields of the AGIPD at 0.5 MHz
- optimized the performance of the beam (now 850 - 950 uJ)
- measured flatfield and darks for the Jungfrau detector |
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Shift summary, posted by Jörg Hallmann on 11 Aug 2023, 01:44
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alignment checks of the CRL2 device as well as the Mono - continuation of both devices together planned for tomorrow
flatfelds for EPIX & AGIPD (needed to be redone because of too low intensity during the previous measurements)
installation of the levitation device and first test measurements |
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Shift summary, posted by Jörg Hallmann on 12 Aug 2023, 01:32
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measured various sample using the levitation device
issues:
during the change of the sample detector distance, the AGIPD chiller "Julabo" switch itself off and went into error - on & off procedure |
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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 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 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 Wonhyuk Jo on 29 Aug 2023, 03:14
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Shift summary for 29th of Aug.
- Conducted Time-resolved Bragg CDI experiment using 3rd harmonic pump laser.
- Collected coherent diffraction patterns from Perovskite-oxide nanocrystals for various time delay and laser fluence. |
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Shift summary, posted by Johannes Moeller on 29 Sep 2023, 00:35
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1, 60 and 350 pulses at 8.7keV, HXRSS
*focus characterization CRL2 lens 3,5,6
*Si 20nm XPCS with 20 and 50 pulses to evaluate the contrast |
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Shift summary, posted by Johannes Moeller on 01 Oct 2023, 02:00
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HXRSS at 8.8 keV, 1, 60 or 350 pulses. Quite stable seeding performance
loaded new sample (HGW) in the morning
measured full temperature series on HGW during the day
problem with vacuum
in the cryostat-chamber, which triggered the interlocked during the data taking and blocked AGIPD for some temperatures
focussing optimized |
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Shift summary, posted by Alexey Zozulya on 18 Oct 2023, 02:09
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Shift summary (p4239)
Achievements:
- HXSS beam at 10.5 keV at 400 uJ pulse energy |
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Shift summary, posted by Alexey Zozulya on 23 Oct 2023, 01:10
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Milestones:
*Finish measurement program on the STO sample at room temperature
*Check mono fpitch and energy rocking curve |
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Shift summary, posted by Johannes Moeller on 01 Nov 2023, 02:22
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stable delivery of 1mJ at 18keV SASE
succesful beamline alignment for MID (CRLs + M1 and M2) with mono.
alignment of NAFO
stack to DES and zyla camera with SASE and monochromatic beam
setup of DES spectrometer for 18keV on 440 reflection with SASE
timing
of PP laser with perpendicular excitation condition with diode and YAG
Problems: |
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Shift summary, posted by Johannes Moeller on 02 Nov 2023, 02:28
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stable delivery of 1mJ SASE at 18keV
NAFO lens characterization with caustic scan
successful detector calibration of AGIPD
with LaB6 and alignment of Jungfrau to diffraction signal with LaB6
test of ptychography with 18keV (not successful)
successful setup
of online holography analysis with test measurements
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Shift summary, posted by Johannes Moeller on 04 Nov 2023, 02:29
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Stable delivery of SASE at 18 keV. The intensity dropped slightly from 1mJ to 0.88mJ during the evening, but everything good.
fixed
the laser pulse-on-demand + FSSS scanning macro
We take some images series of the laser drilling process for different laser fluences
We
started to take first time resolved data
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Shift summary, posted by Angel Rodriguez Fernandez on 05 Nov 2023, 04:08
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stable SASE beam delivery with 1mJ pulse energy
we took data for different optical laser excitation fluences and delays
we
changed from the optical lock to the electronic lock to measure also longer delays.
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Issue, posted by Johannes Moeller on 22 Nov 2023, 10:19 
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The Si 0.5mm absorber of XTD1 attenuator seems to be damaged. First screenshot is with that one inserted. In the second screenshot, it is replaced with
a Si 0.5mm from MID_XTD6_ATT.
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Shift summary, posted by Johannes Moeller on 22 Nov 2023, 22:48
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*Tests for online XPCS pipeline ongoing
*beam optimization with power slits, current beam size 8x13um (v x h), we assign the larger value in the horizontal direction to jitter
*Movement of the AGIPD quadrants to increase q range to lower values |