Scintillator-Based Nanosecond Light Sources for Time-Resolved Fluorimetry

1995 ◽  
Vol 49 (1) ◽  
pp. 15-19 ◽  
Author(s):  
Steven E. Hobbs ◽  
Gary M. Hieftje
Keyword(s):  
Light Sources ◽  
Time Resolved

scholarly journals Short X-ray pulses from third-generation light sources

2016 ◽  
Vol 23 (1) ◽  
pp. 141-151 ◽  
Author(s):  
A. G. Stepanov ◽  
C. P. Hauri
Keyword(s):  
Large Scale ◽  
Light Sources ◽  
Third Generation ◽  
Time Duration ◽  
Pulse Emission ◽  
Time Resolved ◽  
High Brightness ◽  
X Ray ◽  
Synchrotron Light ◽  
Synchrotron Light Sources

High-brightness X-ray radiation produced by third-generation synchrotron light sources (TGLS) has been used for numerous time-resolved investigations in many different scientific fields. The typical time duration of X-ray pulses delivered by these large-scale machines is about 50–100 ps. A growing number of time-resolved studies would benefit from X-ray pulses with two or three orders of magnitude shorter duration. Here, techniques explored in the past for shorter X-ray pulse emission at TGLS are reviewed and the perspective towards the realisation of picosecond and sub-picosecond X-ray pulses are discussed.

scholarly journals Singular value decomposition as a tool for background corrections in time-resolved XFEL scattering data

2014 ◽  
Vol 369 (1647) ◽  
pp. 20130336 ◽  
Author(s):  
Kristoffer Haldrup
Keyword(s):  
Singular Value Decomposition ◽  
Singular Value ◽  
Scattering Data ◽  
High Time Resolution ◽  
Light Sources ◽  
Time Resolved ◽  
X Ray ◽  
Very Large Datasets ◽  
Chaotic Nature ◽  
Value Decomposition

The development of new X-ray light sources, XFELs, with unprecedented time and brilliance characteristics has led to the availability of very large datasets with high time resolution and superior signal strength. The chaotic nature of the emission processes in such sources as well as entirely novel detector demands has also led to significant challenges in terms of data analysis. This paper describes a heuristic approach to datasets where spurious background contributions of a magnitude similar to (or larger) than the signal of interest prevents conventional analysis approaches. The method relies on singular-value decomposition of no-signal subsets of acquired datasets in combination with model inputs and appears generally applicable to time-resolved X-ray diffuse scattering experiments.

Time-Resolved X-Ray Scattering from Coherent Excitations in Solids

MRS Bulletin ◽  
2010 ◽  
Vol 35 (7) ◽  
pp. 514-519 ◽  
Author(s):  
Mariano Trigo ◽  
David Reis
Keyword(s):  
Time Domain ◽  
Free Electron Laser ◽  
Femtosecond Lasers ◽  
Light Sources ◽  
Time Resolved ◽  
X Ray ◽  
X Ray Scattering ◽  
Far From Equilibrium ◽  
The Time Domain ◽  
Ray Scattering

AbstractRecent advances in pulsed x-ray sources have opened up new opportunities to study the dynamics of matter directly in the time domain with picosecond to femtosecond resolution. In this article, we present recent results from a variety of ultrafast sources on time-resolved x-ray scattering from elementary excitations in periodic solids. A few representative examples are given on folded acoustic phonons, coherent optical phonons, squeezed phonons, and polaritons excited by femtosecond lasers. Next-generation light sources, such as the x-ray-free electron laser, will lead to improvements in coherence, flux, and pulse duration. These experiments demonstrate potential opportunities for studying matter far from equilibrium on the fastest time scales and shortest distances that will be available in the coming years.

scholarly journals The microfluidic laboratory at Synchrotron SOLEIL

2020 ◽  
Vol 27 (1) ◽  
pp. 230-237
Author(s):  
Igor Chaussavoine ◽  
Anthony Beauvois ◽  
Tiphaine Mateo ◽  
Ramakrishna Vasireddi ◽  
Nadine Douri ◽  
...  
Keyword(s):  
Soft Lithography ◽  
Light Sources ◽  
Microfluidic Chips ◽  
Liquid Sample ◽  
Microfluidic Systems ◽  
Time Resolved ◽  
Liquid Environment ◽  
X Ray ◽  
Physical Chemical ◽  
Biological Phenomena

A microfluidic laboratory recently opened at Synchrotron SOLEIL, dedicated to in-house research and external users. Its purpose is to provide the equipment and expertise that allow the development of microfluidic systems adapted to the beamlines of SOLEIL as well as other light sources. Such systems can be used to continuously deliver a liquid sample under a photon beam, keep a solid sample in a liquid environment or provide a means to track a chemical reaction in a time-resolved manner. The laboratory provides all the amenities required for the design and preparation of soft-lithography microfluidic chips compatible with synchrotron-based experiments. Three examples of microfluidic systems that were used on SOLEIL beamlines are presented, which allow the use of X-ray techniques to study physical, chemical or biological phenomena.

scholarly journals Evaluating scintillator performance in time-resolved hard X-ray studies at synchrotron light sources

2016 ◽  
Vol 23 (3) ◽  
pp. 685-693 ◽  
Author(s):  
Michael E. Rutherford ◽  
David J. Chapman ◽  
Thomas G. White ◽  
Michael Drakopoulos ◽  
Alexander Rack ◽  
...  
Keyword(s):  
Synchrotron Radiation ◽  
Dynamic Range ◽  
Short Pulse ◽  
European Synchrotron Radiation Facility ◽  
Light Sources ◽  
Time Resolved ◽  
X Ray ◽  
Short Pulse Duration ◽  
Wide Range ◽  
Synchrotron Light Sources

The short pulse duration, small effective source size and high flux of synchrotron radiation is ideally suited for probing a wide range of transient deformation processes in materials under extreme conditions. In this paper, the challenges of high-resolution time-resolved indirect X-ray detection are reviewed in the context of dynamic synchrotron experiments. In particular, the discussion is targeted at two-dimensional integrating detector methods, such as those focused on dynamic radiography and diffraction experiments. The response of a scintillator to periodic synchrotron X-ray excitation is modelled and validated against experimental data collected at the Diamond Light Source (DLS) and European Synchrotron Radiation Facility (ESRF). An upper bound on the dynamic range accessible in a time-resolved experiment for a given bunch separation is calculated for a range of scintillators. New bunch structures are suggested for DLS and ESRF using the highest-performing commercially available crystal LYSO:Ce, allowing time-resolved experiments with an interframe time of 189 ns and a maximum dynamic range of 98 (6.6 bits).

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