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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn, Page 5 of 24  Not logged in ELOG logo
Entry   Morning Shift Summary on 16.08.2023, posted by Teguh Citra Asmara, Eugenio Paris on 17 Aug 2023, 11:07 
Achievements:


Performed tr-RIXS on peak A, B, and C at 2.4 mJ/cm^2
Performed tr-XAS on peak A at 3 fluences
Performed tr-RIXS
on peak A at 4 mJ/cm^2


Problems:
Entry   Afternoon shift summary on 16.08.2023, posted by Teguh Citra Asmara on 17 Aug 2023, 11:08 
Achievements:


tr-RIXS at 4 mJ/cm2 for energies A, B, C, and D (pre-edge)
Checked and optimized FEL alignment, t0 and overlap with PP laser
after reset of machine synchronization

Long delay scans for Peak A and C, up to 100 ps
Entry   Shift summary, posted by Silja Schmidtchen on 16 Apr 2023, 15:35 
shift summary from Saturday 15.04.2023:

Tasks:

- Calibration of Euler MDL
Entry   Shift Summary SA2, posted by Silja Schmidtchen on 21 Jul 2023, 20:31 
Alignment to HED: https://in.xfel.eu/elog/XRO+Beam+Commissioning/205

SA2 - divergence with various M2 bender positions  HED - https://in.xfel.eu/elog/XRO+Beam+Commissioning/200

SA2 - divergence with various M2 bender positions MID - https://in.xfel.eu/elog/XRO+Beam+Commissioning/196
Entry   Morning Shift Summary, 24.10.2023, posted by Sergii, Teguh on 25 Oct 2023, 15:10 

Morning Shift Summary, 24.10.2023

Achievements:


Re-aligned the beamline after maintenance
Found time zero using SiN at 300 K
Change the He dewar and cooled down
back to 20 K
Adjusted the AFS laser parameters to recover the proper experiment settings
Started taking tr-RIXS with several time
Entry   Morning Shift Summary, 25.10.2023, posted by Sergii, Teguh on 25 Oct 2023, 15:18 

Morning Shift Summary, 25.10.2023

Achievements:


Re-aligned FEL beam pointing and beamline mirrors after XGM intensity drop due to slow beam pointing drift over night.
Continued
taking momentum-dependent tr-REXS data.


Problems:
Entry   Morning shift summary, 26.10.2023, posted by Sergii, Teguh on 26 Oct 2023, 15:03 

Morning shift summary, 26.10.2023

Achievements:


Continued measuring tr-RIXS at different laser fluences


Problems:


The max-jhub notebook server was very slow this morning around 9-10 h. DOC was informed, but the slowness has improved without any action
Entry   Late shift summary 04.05.2023, posted by Sergii, Phuong on 04 May 2023, 22:58 
Achivements:

-Cooling down the sample. Sample is at 14K

-Taking time resolved data at 70%  800 nm, -5 ps  - 65 ps
Entry   Late shift summary 05.05.2023, posted by Sergii, Phuong on 05 May 2023, 23:00 
Achivments:

-Measure time scans with magnetic field in opposite directions

Problems
Entry   Late shift summary 06.05.2023, posted by Sergii, Phuong on 06 May 2023, 23:15 
Achivments:

-Measure delay scans at two PPL fluencies on smaller grain size.

-Moved DSSC back to 1.45 m sample - detector distance
Entry   Late shift summary 07.05.2023, posted by Sergii, Phuong on 07 May 2023, 23:11 
Achivments:

-Move DSSC closer to the sample.

-Measure delay scans for opposite magnetic field.
Entry   Late shift summary 01.03.2023, posted by Sergii, Martin on 01 Mar 2023, 23:31 
Achievments:

- Align DPS to remove clipping of X-rays

- Get better focusing of PPL in the chamber
Entry   Night shift summary 30.07.2023, posted by Sergii, Martin on 31 Jul 2023, 01:42 
Achivements:

-We measured vertical spot size for several VFM settings

Problems:
Entry   Shift Summary 27_07_23 night, posted by Sergii, Manuel on 28 Jul 2023, 06:38 
Achievements:

1. Beam in sample chamber, almost overlapping with ALAS

2. We saw signal on MCP and diode2
Entry   Noght shift sammary 18.08.2023, posted by Sergii, Manuel on 19 Aug 2023, 07:16 

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:
Entry   Late Shift Summary on 20.10.2023, posted by Sergii, Giacomo on 20 Oct 2023, 23:22 

Late shift summary 20.10.2023

Achievements
-Switched AFS to burst mode
-Characterized PPL beam size
Entry   Late shift summary 21.10.2023, posted by Sergii, Giacomo on 21 Oct 2023, 23:34 
Achievements:
-Collecting TR-RIXS data for different fluencies and delay range
Problems
Entry   late shift summary, posted by Sergii, Andreas on 04 Mar 2023, 23:04 
Achievements:

- we replaced broken SMA cable, and added an angle-connector at sample holder to aid the sample rotation when moving diagnostics to the flat
jet
Entry   Late shift summary 05.03.2023, posted by Sergii, Andreas on 05 Mar 2023, 23:04 
Achievments

-RIXS scans at different delay times and x-ray energies

-Cross check fine timing
Entry   Late shift summary 05.08.2023, posted by Sergii, Andreas on 05 Aug 2023, 23:06 
Achievements:

- Find course timing with antenna

-Find find timing signla with TR_XAS on the sample
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