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Advancements in Diamond and Kappa Activities: Enhancements for MX Beamlines and Crystal Analysis

Recent updates in the diamond and kappa activities have significantly improved the operational capability of our beamlines. With 19 operational beamlines and five MX beamlines, including ongoing construction for I23, the capabilities for high-precision experiments have expanded. Upgrades incorporate innovative features such as improved sample viewing, fast zoom functions, and enhanced diagnostics. New experimental options like crystal humidity control and online spectroscopy further empower researchers. The integration of mini kappa devices enhances flexibility in experiments, making remote operation and data collection exceptionally efficient.

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Advancements in Diamond and Kappa Activities: Enhancements for MX Beamlines and Crystal Analysis

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  1. Diamond update and kappa activities • village structure • 19 operational beamlines • 5 operational MX beamlines • one MX beamline (I23) under construction • mini kappa devices bought for I04 and I04-1 • I23 will have kappa goniometer

  2. I02, I03, I04 MX end-station upgrade programme • high precision rotation axis • improved sample viewing and faster zoom • exchangeable mini-beam apertures • improved scatterguard • improved sample centring • improved beam diagnostics • easy beam visualisation • crystal annealing • camera system for rapid auto loop centring • finer attenuation control • new backstop design easier change between experiments at cryo or room temperature or a humidity controlled setup

  3. I02, I03, I04 MX end-station upgrade programme New experimental options • crystal humidity control • online spectroscopy • in-situ diffraction • tomography • easier remote operation • mini kappa • microfocus option with CRLs • mirror refurbishment programme underway (I02, I03, I04) • P6M on I03, I24 • P2M on I04-1 • new end-stations operational with user programme on I03 and I04 • I02 currently being upgraded

  4. I04-1 mini kappa use • in optimisation phase with friendly users • few user visits • STAC available as tab in GDA • device check at manufacturer • preparation for routine operation • integration with sample changer • software development and pipelines

  5. Data collection strategy, completeness 45 deg sweep 60 deg sweep • aligned thaumatin crystal • c* along spindle, a* along beam • different oscillation ranges 90 deg sweep

  6. Optimised data collection, effect of high kappa angle • Elena Kovaleva, Briony Yorke (Leeds) • enzyme P21212, 110.06 163.90 100.96 • two crystal forms, same problem • data completeness depending on overlaps • crystal orientation important kappa = 30 deg kappa = 90 deg kappa = 120 deg

  7. Long wavelength beamline I23

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