The Advanced Photon Source
a U.S. Department of Energy Office of Science User Facility

Call for APS Run Cycle 2022-1 Proposals - Deadline October 29

Type Of Event
Sponsoring Division
Start Date
10-07-2021 - 10-29-2021


The Advanced Photon Source (APS) is seeking user science proposals and requests for beam time on existing proposals. The submission deadline is Friday, October 29, 2021, for the following:

  • New general user proposals (GUPs)
  • New beam time requests for cycle 2022-1 (2/1/2022 - 4/28/2022) on existing active proposals   
  • CAT member proposals
  • APS beamline staff proposals
  • CAT beamline staff proposals

Share this with collaborators who are new users: Please ask them to register to obtain a badge number for access to the proposal system early to avoid delays.

For the latest information regarding allowed activities at the APS, please see this webpage

An APS badge number is required for proposal submission. If you do not have a badge number, please register as a new user.

The GUP system will accept proposals and beam time requests until 11:59 p.m (CDT) on Friday, Oct. 29, 2021. However, user office support will not be available after 5 p.m. that day. If you feel you may need help during the submission process, please create your proposal as early as possible.

For questions about the GUP system or the proposal submission process, email the program office.

For guidance on the proposal system, visit the APS website.

For general inquiries, email the User Office or call 630-252-9090.


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