Linac Coherent Light Source User Resources
Office of Science/U.S. D.O.E.
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Welcome to the LCLS User Resources Site

LCLS will begin commissioning in the second half of 2009, with one operational instrument: Atomic, Molecular Optical (AMO) instrument. Additional instruments will be added according to this tentative schedule:

Step-By-Step Instructions to Working at LCLS
  1. Register as a User
  2. Submit Proposal
  3. Complete Safety Training
  4. Request Computer Account
  5. Establish User Account for Gases, Supplies
  6. Check-in for Badging
  7. Provide Feedback
  8. Inform us of Publications
LCLS Instruments and Beam Lines Commissioning Starts
Atomic, Molecular and Optical Science (AMO) August 2009
Beam Line for Soft X-ray Science (SXR) March 2010
X-ray Pump Probe (XPP) July 2010
Coherent X-ray Imaging (CXI) December 2010
X-ray Correlation Spectroscopy (XCS) June 2011
Matter in Extreme Conditions (MEC) 2012


The next LCLS deadline to submit proposals for the AMO, SXR, XPP and CXI is April 1, 2010 (proposals must be received by 4:00 p.m. local time) to be considered for beam time during the Spring 2011 cycle)

Instruments Included in Call for Proposals Proposal Deadline (Tentative)
AMO, SXR, XPPNovember 3, 2009
AMO, SXR, XPP, CXIApril 1, 2010
AMO, SXR, XPP, CXI, XCSOctober 1, 2010
AMO, SXR, XPP, CXI, XCS, MECApril 1, 2011

Proposals, safety training, user registration and user check-in are centralized to ensure prompt and efficient service to our users. A call for proposals will be solicited twice per year, and a successful proposal will be eligible to receive beam time about 12 months after being submitted.

Prior to arrival at LCLS, users are required to register as a new user or update their contact information through the User Portal. See step-by-step instructions above and links related to information for foreign users and logistics

We look forward to working with you and to highlighting your research through our website and newsletter.