DESY Photon Science User Office

Our new User Office in the CXNS building, close to building 25f. The two arrows indicate where to enter the building to visit us.
See you soon!

Rules for external users (Tests, Quarantine etc)
Users of DESY Photon Science Experimental Facilities (PETRA III, FLASH, DESY NanoLAb etc.) please consult this document for regulations to access DESY user facilities (update 23 November 2021). For any question please contact us via [More]
Corona-related Safety Regulations for Work at PETRA III and FLASH
Corona requires specific rules for the work at PETRA III and FLASH which have to be obeyed strictly. (July 2021) [More]
Routing slip for participants of beamtimes | self-commitment testing
During your stay for beamtime at DESY please carry this document with you. It has to be approved by the DESY Photon Science User Office before you start working at the beamline or lab. The testing self-commitment has to be signed by users who are neither vaccinated nor recovered. This option is offered ONLY for arrivals before 2 December 2021 [More]
  • DOOR
    - User Registration - Proposal Submission - Administration of Experiment .....and more
  • DESY Press Office

Dear Users,
The DESY Photon Science User Office will be closed from
23 December 2021 - 7 January 2022 and opens again on 10 January 2022.

Our team wishes you Happy Holidays and all the best for 2022!

The User Office has moved to Building 94/O1.013
We will be happy to see you there.

How to find us?

See this map:

Icon map (1.3 MB)
location of the new user office

Information on Corona Regulations

Test requirements for users coming to PETRA III / FLASH

Users have to present:

- a negative PCR test for SARS-CoV-2 with the result being available before entering the DESY campus. Vaccination or recovery from Covid-19 will not release users from this obligation.
- proof of full vaccination/recovery is required for participation in beamtime. Accepted vaccines are listed here

Allowed number of onsite participants

A maximum number of up to four persons are allowed for experiments at PETRA III. Exceptions from this rule are not possible. Do not send more persons than needed for the experiment.

Leader and PI of proposals with scheduled beamtimes will be informed via e-mail about changes of regulations.

General travel regulations for people coming to Germany↵

All persons coming from abroad have to provide a proof of vaccination/recovery or a negative test result, i.e. PCR-Test (max. 72h) or Antigen-Test (max. 48h).

All travellers coming from an international risk area as defined by German authorities have to register online via

Please note different regulations for
1) 'high incidence areas'
For persons coming from a high incidence area a 10-day quarantine is required. As soon as a proof of complete vaccination (with a vaccine accepted by the EU ) or of recovery is uploaded via the online travel registration, the quarantine can be terminated.
For persons without vaccination or recovery, the quarantine can be termined after 5 days by uploading a negative test result.

2) 'areas of variant of concern' NO VISIT AT DESY POSSIBLE!

DESY Hostel does not offer quarantine rooms for DESY users


Daniela Unger
E-Mail: Daniela Unger
Phone: +49 (0)40 8998 2368
Head of User Office
Sarah Arugolanu
E-Mail: Sarah Arugolanu
Phone: +49 (0)40 8998 2304
Secretary User Office
Shoaib Azizi
E-Mail: Shoaib Azizi
Phone: +49 (0)40 8998 4240 mobile: 9-4240
Location: 94 / O1.013b
Sample shipment, Support User Office

DESY Photon Science
User Office Address

DESY Photon Science User Office
Building 94/O1.013
Notkestr. 85


+49 40 8998 4475


Location of the office

Building 94/O1.013