Los Alamos National LaboratoryHigh-energy and Ultrafast X-Ray Imaging Technologies and Applications
A MaRIE workshop shining a light on the future of ultrafast high-energy photon technology


High-energy and Ultrafast X-Ray Imaging Technologies
and Applications

Date : August 2-3, 2016
Hotel venue: Hilton Santa Fe at Buffalo Thunder

The goal of this workshop is to gather leading experts in the fields related to ultrafast high-energy photon imaging and prioritize the path forward for ultrafast hard x-ray imaging technology development, identify important applications in the next 5-10 years, and establish foundations for near-term R&D collaboration.

This workshop is one in a series being organized by Los Alamos National Laboratory to engage broader scientific community in the MaRIE (Matter-Radiation Interactions in Extremes) development process. MaRIE is the proposed experimental facility for the time-dependent control of dynamic properties of materials for national security science missions. It is capable of developing qualified, certifiable, flexible, and low-cost product-based solutions to many materials problems.

Material properties are determined by their structures or atomic arrangements. Three themes are emerging that offer unprecedented opportunities in static and transient material research and discoveries in the coming decade:

  • -  high-energy x-ray free electron lasers (XFELs),
  • -  high-performance imaging detector technology, and
  • -  exascale computing.
In structure determination, XFEL plays the role of information generation, imaging detectors the role of information collection, and exascale computing the role of data processing and interpretation (such as structure unfolding). Each is indispensable in the chain of information encoding, recording, and decoding. Here, high-energy x-rays refer to photons with 20 keV and above energies, which are near the high-energy end of the existing XFELs like LCLS-I at the SLAC National Accelerator Facility and the upcoming European XFEL at DESY, but are well within the reach of the proposed MaRIE XFEL, which delivers 42 keV in the fundamental mode and 126 keV in the third harmonic.

Compared with third generation synchrotrons, the fourth generation XFELs offer ~10 orders of magnitude increase in peak photon brilliance and allow time-resolved ultrafast hard x-ray interrogation of mesoscopic objects using multiple sub-picosec (around 100 fs) x-ray photon pulses. The XFEL-driven science and technologies open new vistas not only to material properties under extreme conditions, but also to transient phenomena such as shock physics, turbulence, inertial confinement fusion, warm-dense matter, organ-scale structural biology, explosives, and geology.

Workshops themes

This two-day workshop will embrace four themes:

  1. Scientific questions/applications for ultrafast imaging using accelerator-driven sources
  2. Status of imaging detector technologies
  3. Computation/modeling, data collection (ASIC development included) and data handling (post-processing, modeling included) in accelerator-driven ultrafast imaging
  4. Novel approaches to the next-generation high-energy photon imaging technologies (Sensors, on-board data recording/preprocessing, readouts, imaging system and subsystem integration)
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