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

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 in the User Office

- a negative molecular biological PCR test for SARS-CoV-2 with the result being not older than 48 hrs when coming on campus. Vaccination or recovery from Covid-19 will not release users from this obligation.
- proof of vaccination/recovery is required for participation in beamtime. Accepted vaccines are listed here

These rules are effective for all users arriving at DESY Wednesday, November 24th or later.

Interim rules apply for users who are NOT vaccinated or NOT recovered with arrival date before December 2nd, 2021
  a) present a negative PCR test BEFORE starting your beamtime in the User Office (as before)
  b) signing self-commitment (download right hand side of this webpage with routing slip) to carry out daily self-tests during your stay at DESY (tests available in the User Office) and present it at User Office.

A maximum number of up to six persons are allowed for experiments at PETRA III, up to nine persons are allowed for experiments at FLASH. However, do not send more persons than needed for the experiment.

Further details on regulations for the access to PETRA III and FLASH
are outlined in the pdf documents on the right hand side of this webpage.

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


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