User Guide and Resources
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LCLS Instruments

Latest Proposal Schedule
Mode of Access | Run Cycle | Proposal Call Status | Deadline | Cycle Begins | Cycle Ends |
---|---|---|---|---|---|
Regular User Proposal | LCLS 21 | Proposals under review | 30 Mar 2022 | Oct 2022 | May 2023 |
Protein Crystal Screening (PCS) | LCLS 20 | Experiments scheduled | 22 Feb 2022 | Jan 2022 | Jun 2022 |
MeV-UED Regular User Proposal | UED 4 | Experiments scheduled | 24 Nov 2021 | May 2022 | Sep 2022 |
Scientific Campaign | LCLS 20 | Experiments scheduled | 19 Jul 2021 | Jan 2022 | Jun 2022 |
Rapid Access (CXI, MFX) | Ongoing | Contact for details |
Proposals are submitted through the User Portal.
Calls For Proposals are posted on the LCLS Annoucements, and e-mailed to lclsuo e-mail list (instructions to subscribe to lclsuo).
See User Research Administration (URA) contacts » Find useful links by category »
Quick Start Guide for New LCLS Users
1. Become a User at LCLS

The LCLS encourages scientists from diverse fields to submit proposals for experiments that utilize the LCLS's unique capabilities. Interested scientists are encouraged to learn more about the latest developments by reviewing the instrument descriptions. Contact LCLS instrument scientists to discuss your proposed experiments and for updated performance parameters.
Review LCLS Schedules Read Proposal Overview Review Instruments, Policies, Machine FAQ, Parameters, Status Register as User and Submit Proposal Confirm User Agreements
Subscribe to lclsuo e-mail list
2. Onsite and Remote SLAC Access

New requirements for access to SLAC
Due to the COVID pandemic there are NEW requirements for access to SLAC. These requirements are based on adherence to SLAC’s COVID-19 mitigation protocols and established levels of specific work criteria detailed on the Job Safety Analysis (JSA) form for all individuals coming on site.
3. During Your Beam Time

Only for Users Approved for SLAC Onsite Access: Proceed to the VUE Center (1st floor Science and User Support Building 053) to check in, get badged, and update your proximity access. Check-in is from 7:00 a.m. to 5:00 p.m., Monday - Friday. See below links for help with settling in the area and getting started with your experiment at LCLS.
Remote Participation
Tools for Remote Participation in ExperimentsData Collection & Analysis
PCDS Users
Other Tools and Information
Experiment Portal / eLogMCC eLog (accessible from SLAC domain only)
LCLS Schedules
Machine Status
4. After Beam Time

Please clean up your work area before you leave. Log in to the User Portal to complete an end of run survey after each scheduled experiment. Your feedback will be used to address issues and continually improve user resources and support. LCLS also needs your help to compile metrics that demonstrate scientific accomplishments and productivity. Please submit LCLS related publications and inform us of awards, patents, etc.
Submit End of Run Survey Submit New Publication Inform us of Awards, Patents etc. Participate in the LCLS Users' Organization Attend LCLS Events