Calls & Deadlines


FLASH experimental hall "Kai Siegbahn".


Inside view of the PETRA III extension hall "Paul P. Ewald" in the North (September 2016)


Outside view of the PETRA III extension hall "Ada Yonath" in the East (September 2016).

PETRA hall

PETRA III experimental hall "Max von Laue" (May 2013).

Registered DOOR users will be informed about calls and deadlines by e-mail.

PETRA III beamlines (without P12-P14)

regular proposals

The call for regular proposals for PETRA III is published twice a year. The deadline is typically on 1 March and 1 September.
At present proposal submission is closed.

BAG proposals and LTP

The call for proposals for Long-Term Projects (LTP) and Block Allocation Group (BAG) at PETRA III beamlines is currently closed.


The call for proposals for experiments at FLASH at DESY is open.
Deadline for proposal submission is Monday 1 October 2018 (inclusive).
This call relates to the run period July-December 2019.

how to prepare your proposal
PETRA III beamlines P12 - P14 (EMBL)