Please visit the User Guide to prepare for beamtime and for information on data analysis, and the User Portal to access your profile.
User guide User Portal Information for CLS Users

Find out accessible energy ranges here
Cycle 42 Call for General User Proposals is now CLOSED .
BioXAS Spectroscopy is composed of two hard X-ray beamlines (BioXAS-Main and BioXAS-Side) with usable photon flux from 5 to 32 keV.
Ideal for material, biological and environmental, geological sciences studies of low concentrations samples. Both liquid and solid samples can be measured in transmission and fluorescence at ambient and low temperatures using LN2 or LHe cryostats.
Learn more about...
- Peer Reviewed Access
- Rapid Access
- Purchased Access
- Beamteam Access
- BioXAS Sector
- Equipment Hub @ CLS
- Submit a BTR
- Clone a proposal
Quick Links
- Training
- Q2EXAFS
- Machine status
- User information
- CLS Operation Schedule
- Canadian Light Source
- Acknowledgements
- Student Travel Support
- Sample Shipment
- BioXAS Schedule
- Useful Links
- In Situ Hub @ CLS
Inquiries:
BioXAS Sector:
BioXAS_Sector@lightsource.ca
Spectroscopy Group:
Spectroscopy@lightsource.ca
Users' Office
clsuo@lightsource.ca
Careers at CLS
jobs@lightsource.ca
Research Queries
solutions@lightsource.ca
Media Requests
clsnews@lightsource.ca
General
cls@lightsource.ca