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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn, Page 12 of 24  Not logged in ELOG logo
ID Date Author Group Subject Text Attachments
  249   12 Jun 2023, 02:01 Ulrike BoesenbergMIDShift summary

*Some more tuning of HXRSS and
focus optimization in the morning.
  
  248   12 Jun 2023, 01:06 Laurent MercadierSCSlate shift summaryAchievements


Optimized THz EOS, managed
to observe single shot EOS trace with good
  
  247   11 Jun 2023, 17:34 Robert CarleySCSEarly shift summaryAchievements


Observed first EOS of THz
emitted from FEL-pumped STE on SiC and Si
  
  245   11 Jun 2023, 07:40 Robert CarleySCSNight shift summary achievements


optimized EOS signal from
FEL-induced THz emission from STE on Sa of
  
  246   11 Jun 2023, 07:28 Chan KimSPBShift summaryX-ray delivery


12.42 keV, 0.65 mJ/pulse,
low pulse energy but mostly stable delivery


Optical
  
  244   11 Jun 2023, 02:08 Ulrike BoesenbergMIDShift summary* First half of the day was used to optimize
seeding performance
* Cryo issues started at 6 pm; were
  
  243   10 Jun 2023, 23:24 Loic Le GuyaderSCSlate shift summaryachievements


checked coarse timing between
FEL and PPL at XOX. It had shifted significantly
determined
  
  242   10 Jun 2023, 21:52 Jan GruenertPRCStatusThe Cryo team solved the problems, beam
is back.
Downtime from 17h59 until 21h03.
 JG_2023-06-10_um_21.55.46.png 
  241   10 Jun 2023, 18:46 Jan GruenertPRCIssue18h05 : RC informs:

Machine is down, because Cryo-OK
was lost.
  
  240   10 Jun 2023, 06:55 Chan KimSPBShift summaryX-ray delivery


12.42 keV, 0.8 mJ/pulse,
stable delivery


Optical
  
  239   10 Jun 2023, 00:39 Ulrike BoesenbergMIDShift summary* Data collection of vycor and glass samples
in SAXS geometry until 9am

* Successful intervention on SA2_XTD1_ATT
  
  238   09 Jun 2023, 22:52 Loic Le GuyaderSCSlate shift summaryachievements


try pumping STE membrane
with FEL and detect THz emission with single
  
  237   09 Jun 2023, 15:41 Raśl Villanueva-GuerreroVACVacuum Leak in SA2-XTD1 Solid Attenuator - [SOLVED] - Preliminary reportDear all,

After the incidences reported yesterday
and the diagnostic remotely done (where we
  
  236   09 Jun 2023, 12:37 Jan GruenertPRCIssueRepair of SA2_XTD1_ATT

Status 12h30:
The current MID users took beam until
  
  235   09 Jun 2023, 07:05 Adam RoundSPBShift summaryStaff: DZ, AR, MK

X-ray delivery


12.42 keV 169 pulses for
  
  234   09 Jun 2023, 02:22 Ulrike BoesenbergMIDShift summary*Vacuum issues: There seems to be a leak
in the arm nr. 6 (2.4mm CVD Diamond). This
has escalated to trip several times the vacuum
  
  233   08 Jun 2023, 17:05 Jan GruenertPRCIssueSA2_XTD1_ATT solid attenuator
vacuum issue

Info
from VAC (Raul Villanueva) 12h30:
 image.png 
  232   08 Jun 2023, 11:02 Johannes MoellerMIDIssueAddition to previous issue:

Last incident (of overall 4), we
had 0 bunches, moved in XTD1 ATT 0.6 and
 Screenshot_from_2023-06-08_11-03-50.pngScreenshot_from_2023-06-08_11-08-06.png 
  231   08 Jun 2023, 10:37 Jan GruenertPRCIssueSASE2 vacuum incident

7h10
: MID informs PRC about a vacuum incident
in the SASE2 tunnel which tripped the beam.
 2023-06-08_SA2-beam-delivery.JPG 
  230   07 Jun 2023, 23:54 Loic Le GuyaderSCSLate shift summaryachievements


setup spectral encoding
of the transient reflectivity in FFT
determine
  
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