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Diamond Light Source
What is your Username?
Please use your Federal ID to log in if you have been provided with one. You may log in using your email address if you have previously registered and have not yet received a Federal ID.
Click Register to apply for a Diamond account based on your email address.
Have you lost your Federal ID?
Lost Federal IDs may be recovered using Locate Account by following the on screen instructions provided by the service.
Have you lost your Password?
Lost Passwords may be recovered for an associated Federal ID if you have previously provided answers to your security questions. Click Lost Password? to attempt password recovery.
Have you lost your Password for your email address? Click Reset Password to obtain a new password.
Further assistance required?
Users who have not provided answers to the security questions or who require assistance must contact Diamond User Office. Please be aware that you will experience delays.
For security reasons, please log out and exit your web browser when you are done accessing services that require authentication!