In 2007, JJ X-Ray successfully installed two diamond Laue monochromators stations with beryllium lens focusing optics for focusing the beam onto the sample at the LS-CAT (21-ID) at APS, Argonne National Laboratory, USA.
In 2006 The Life Sciences Collaborative Access Team (LS-CAT) at the Advanced Photon Source (APS) under Argonne National Laboratory placed an order with JJ X-Ray for the design, construction, delivery, and installation of two single-wavelength stations for macromolecular experiments. Both stations are for conducting SAD experiments at the selenium edge (12.668 keV).
JJ X-Ray has previously worked intensively with diamond crystal-based optics and beryllium lenses, for example, at the Cassiopeia Beamline at MAX-lab, Sweden. It could thus bring knowledge into this project.
At the time of the contract award, only the conceptual ideas of the beamlines were given, and the design phases included the analytical x-ray optics calculations for determining the optical design of the beamlines. The outcome was a design based on a (100)-normal diamond crystal using the (111) Bragg reflection followed by 6-7 parabolic beryllium focusing lenses providing a focused beam of 50µm x 70µm with 1×1012 ph/s and a resolution of 2×10-4 at a position 10 m downstream of the monochromator diamond crystal.
The LS-CAT project was an ideal type of project for JJ X-Ray as it involved a lot of x-ray physics and engineering development. It allowed us to contribute to our profound experience and know-how at an early stage of the design. The project was installed in record time, within only 20 days from the empty optics hutches to the fully installed beamline delivering a focused beam to the two end stations.