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About CrystFEL

Welcome to the CrystFEL page!

CrystFEL is a suite of programs for processing diffraction data acquired "serially" in a "snapshot" manner, such as when using the technique of Serial Femtosecond Crystallography (SFX) with a free-electron laser source. CrystFEL comprises programs for indexing and integrating diffraction patterns, scaling and merging intensities, simulating patterns, calculating figures of merit for the data and visualising the results. Supporting scripts are provided to help at all stages, including importing data into CCP4 for further processing.

To begin learning about CrystFEL in more detail, start here.

The primary citation for CrystFEL is as follows. See the list at the end of this page for more references.

T. A. White, R. A. Kirian, A. V. Martin, A. Aquila, K. Nass, A. Barty and H. N. Chapman. "CrystFEL: a software suite for snapshot serial crystallography". J. Appl. Cryst. 45 (2012), p335–341.
doi:10.1107/S0021889812002312Download PDFArticle on IUCr website.

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Acknowledgements

The development of CrystFEL is led by Thomas White at the Deutsches Elektronen-Synchrotron DESY in Hamburg, Germany. DESY is a research centre of the Helmholtz Gemeinschaft. See the contact page for more contact details. Prior to 2022, CrystFEL was developed at the Center for Free-Electron Laser Science. Since 2022, its development continues in the Scientific Computing Group of DESY Photon Science.

Code has been contributed to CrystFEL by Valerio Mariani, Helen Ginn, Oleksandr Yefanov, Steve Aplin, Thomas Grant, Mamoru Suzuki, Keitaro Yamashita, Takanori Nakane, Parker de Waal, Wolfgang Brehm, Alexandra Tolstikova, Fedor Chervinskii, Cornelius Gati, Anton Barty, Karol Nass, Nadia Zatsepin, Chun Hong Yoon, Lorenzo Galli, Andrew Martin, Andrew Aquila, Rick Kirian and Ken Beyerlein. The design of CrystFEL and its algorithms has been influenced by Henry Chapman, Petra Fromme, James Holton, John Spence and several others.

Development of CrystFEL is primarily funded by the Helmholtz Association through DESY. Additional funding for CrystFEL has been provided by:

Useful references

Here are some papers describing CrystFEL or its algorithms: