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April 2014
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Today

Apr 16
Wednesday

The High Energy Density Science Instrument at European XFEL: Application and Status

Speaker: Thomas Tschentscher, European XFEL
APS Presentation
401/A1100 @ 11:00 AM
View Description
The High Energy Density science (HED) instrument at the European XFEL will provide unique possibilities for the investigation of near solid density matter at states of extreme excitation. European XFEL is a large research infrastructure currently under construction in the Hamburg metropol region, North Germany. It will provide researchers with free-electron laser radiation in the x-ray range from 0.25 to 25 keV and six initial science instruments dedicated to a variety of x-ray techniques and applications. First experiments are scheduled for 2016. At the HED instrument intense, coherent, and ultrashort x-ray pulses can be applied to obtain structural and electronic properties of highly excited condensed matter in extreme conditions. Excitations will be driven using a variety of optical laser systems. Also pulsed magnetic and electric fields are considered. In addition, the intense FEL pulses can be used for excitation, too. The major science areas addressed by the HED instrument are condensed matter at extreme excitation, solid density plasmas and quantum states of matter.

The talk will provide an update on the status of European XFEL, the HED instrument design and describe the scientific applications to be carried out at the HED instrument.
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Apr 16
Wednesday

Sensors and Systems for Digital Radiography

Speaker: Vivek V. Nagarkar, RMD Inc.
XSD Presentation
401/A1100 @ 1:30 PM
View Description
At RMD we have developed modular digital imaging detectors for applications ranging from hypervelocity projectile tracking and ballistic impact analysis to medical X-ray CT and time-resolved diffraction studies. These systems benefit from recently discovered binary and ternary phase inorganic scintillators and novel ceramic scintillators that demonstrate unprecedented emission efficiencies (70,000 to 100,000 ph/MeV), high densities (5 to 9 g/cc), high effective atomic numbers (Z~50 to 70), and radiate in 450 to 650 nm range with fast decay. These recently discovered scintillators are being fabricated at RMD for use in digital radiography by novel processes like physical vapor deposition (PVD) or laser processing. Our advanced PVD techniques results in the formation of structured scintillators in microcolumnar and/or macrocolumnar format, while our laser processing techniques using solid state laser are capable of forming structured scintillators of arbitrary shapes.

Here we will present novel scintillators fabricated in microcolumnar or pixelated form that minimize the traditional tradeoff between spatial resolution and detector efficiency and are suitable for imaging low (8 keV) to high (450 kVp) energy X-rays and/or thermal neutrons. Performance characteristics of radiographic imaging detectors and systems will also be discussed.
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Apr 16
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM

This Week

Apr 18
Friday

User Science Seminar

APS Seminar
401/A1100 @ 12:00 PM

Upcoming

May 28
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Jun 6
Friday

User Science Seminar

APS Seminar
401/A1100 @ 12:00 PM
Jun 13
Friday

User Science Seminar

APS Seminar
401/A1100 @ 12:00 PM
Jun 14
Saturday

National School on Neutron and X-ray Scattering

APS Course
Argonne National Laboratory/Oak Ridge National Laboratory
Jun 20
Friday

User Science Seminar

APS Seminar
401/A1100 @ 12:00 PM
Jun 25
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Jun 27
Friday

User Science Seminar

APS Seminar
401/A1100 @ 12:00 PM
Jul 30
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Aug 27
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Sep 24
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Oct 29
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Nov 19
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM
Dec 17
Wednesday

APS/Users Operations Monthly Meeting

APS Meeting
402/AUD @ 2:30 PM

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