Study beam time request form

with this is beam time request form you can request beamtime for the Periods
- from 17.02.2026 until 01.03.2026 (KW8 & 9)
- 16.03.2026 until 19.03.2026 (KW12)

as well as grey shift studies from
- 26.01.2026 until 16.02.2026 (KW 5 - 7)
- from 02.03.2026 until 15.03.2026 (KW10 & 11)
- 20.03.2026 until 30.03.2026 (KW12 & 13)

submission deadline 20.01.2026

formular to request study beam time

Email Adresse *
of Primary Investigator and Representative at DESY (if not Primary Investigator) seperated by comma: (You can also add further participance.)
Passwort *
don't use your DESY Password!!! It will appear in the ticket!!
Name of the experiment *
Goals in this study block *
Is this the last possibility for measurements? *
yes no
Is this part of a PhD, master or bachlor thesis ? *
Yes No
Electron Beamline *
will work in gun mode
will change LINAC
FLASH1 with e- beam
FLASH1 with FEL radiation
FLASH1 with THz radiation
FLASH2 with e- beam
FLASH2 with SASE
FLASH2 with afterburner radiation
FLASH3
parallel use of the other electron beamline is not possible
Beam energy *
560 MeV
750 MeV
920 MeV - 950 MeV
1300 MeV - 1350 MeV
does not matter
" /> beam energy for the FEL photon energy range (eV):
" /> beam energy for the 3rd harmonic photon energy range (eV):
" /> beam energy for the FEL wavelength range (nm):
" /> beam energy for the 3rd harmonic wavelength range (nm):
" /> special energy (in MeV):
max. bunch / FEL pulse number *
rep. rate *
single bunch
1 MHz
500 kHz
200 kHz
100 kHz
50 kHz
special
needs
insert LINAC screens,
use Laser Heater,
work on Laser Heater
use LOLA,
use FLASH2 PolariX,
work on injector laser
special requiremnts to injector lasers (two pulses, long, short, very high charge)
" /> comments and further requirements:
How much beam time you need for this study in this block in total? *
in hours (e.g. 24h)
Maximum length of one beam time in one go? *
(without interruptions) in hours (e.g. 8h)
When your are NOT availaible for beamtime ?
Do you have any further important information for that beam request ?