SSRL Deadlines

SSRL encourages scientists from diverse fields to propose experiments utilizing our unique capabilities. Access to SSRL is open to the international scientific community. There is generally no cost to submit proposals or conduct experiments at SSRL. Users are responsible for their own travel expenses, and a user agreement is required. Contact SSRL scientists to discuss proposed experiments using the capabilities on SSRL beam lines.	Bookmark this page and set a reminder for these annual deadlines in your calendar.
STEP 1: Register as a user in user portal to submit New Proposals or Extension Requests Review Proposal & Scheduling Guidelines or Proposal Submittal and Scheduling Procedures for Macromolecular Crystallography Deadlines are also included in user portal and in the SSRL Newsletter
Standard X-ray/VUV proposals or extension requests	Due Dates
Beam time eligibility beginning in October/November	May 1
Beam time eligibility beginning in February	August 1
Beam time eligibility beginning in May	November 1
Standard Macromolecular Crystallography proposals or extension requests	Due Dates
Beam time eligibility beginning November	July 1
Beam time eligibility beginning March	December 1
Beam time eligibility beginning June	April 1
Other Proposal Types	Due Dates
Letter of Intent	Any Time
Block Allocation Group (BAG) for macromolecular crystallography	December 1, 2023 April 1, 2024 July 1, 2024
Rapid Access (XAS, Imaging, XRD)	Any Time
Rapid Access (Macromolecular Crystallography)	Any Time
Rapid Access (Bio SAXS BL4-2)	Any Time
RAPID ACCESS TO SSRL RESOURCES FOR COVID-19 RESEARCH	Any Time
STEP 2: Users with Active Proposals need to submit Beam Time Requests each run cycle See How to Request Beam Time Log in to user portal to submit requests, view and accept beam time allocations
Request X-ray / VUV Beam Lines	Due Dates
November - January scheduling	August 1
February - April scheduling	November 1
May - August scheduling	March 1
Request Macromolecular Crystallography Beam Lines	Due Dates
November - February scheduling	September 7
March - May scheduling	January 19
June - August scheduling	April 24

Stanford Synchrotron Radiation Lightsource

Bookmark this page and set a reminder for these annual deadlines in your calendar.

STEP 1: Register as a user in user portal to submit New Proposals or Extension Requests

STEP 2: Users with Active Proposals need to submit Beam Time Requests each run cycle See How to Request Beam Time

STEP 2: Users with Active Proposals need to submit Beam Time Requests each run cycle
See How to Request Beam Time