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View article: Characterisation and quantification of the `Excess-Leakage-Current' effect in Redlen HF-CdZnTe at > 10<sup>6</sup> ph s<sup>-1</sup> mm<sup>-2</sup>
Characterisation and quantification of the `Excess-Leakage-Current' effect in Redlen HF-CdZnTe at > 10<sup>6</sup> ph s<sup>-1</sup> mm<sup>-2</sup> Open
In this paper, results are presented from the characterisation of a 2 mm thick Redlen Technologies high-flux-capable Cadmium Zinc Telluride (HF-CZT) sensor hybridised to the small-pixel, spectroscopic-imaging HEXITEC_MHz ASIC. Dynamic data…
View article: Quantum excitation transfer in an artificial photosynthetic light-harvesting system
Quantum excitation transfer in an artificial photosynthetic light-harvesting system Open
We analytically derive transfer probabilities and efficiencies for an artificial light-harvesting photosynthetic system, which consists of a ring coupled to a central acceptor. For an incident photon pair, we find near-perfect single excit…
View article: The effects of annual cycle stages and life-history traits on feather abrasion
The effects of annual cycle stages and life-history traits on feather abrasion Open
Tissue wear in animals occurs consistently and can impair their functionality. In birds, abrasion - which reduces the feathered surface area - is caused by various factors. However, little is known about the underlying mechanisms, patterns…
View article: A Novel Approach for Analysis of Rocking Curve X-Ray Diffraction Imaging Data (RC-XRDI) on 4H-SiC Using Cumulative Integrated Intensity (CII) Method
A Novel Approach for Analysis of Rocking Curve X-Ray Diffraction Imaging Data (RC-XRDI) on 4H-SiC Using Cumulative Integrated Intensity (CII) Method Open
This paper presents a novel method of using cumulative integrated intensity (CII) to analyse rocking curve x-ray diffraction imaging (RC-XRDI) data. This method overcomes several limitations of traditional complex non-ideal curve fitting, …
View article: The Diamond Light Source program for crystal inspection using X-ray topography
The Diamond Light Source program for crystal inspection using X-ray topography Open
For monochromators and phase retarders designed for X-rays of energy over 4 keV, diffracting crystals are the material of choice. However, the cleanliness of the diffracted beam and the achievable energy resolution can be degraded by defec…
View article: A study of structural effects on the focusing and imaging performance of hard X-rays with 20–30 nm zone plates
A study of structural effects on the focusing and imaging performance of hard X-rays with 20–30 nm zone plates Open
Hard X-ray microscopes with 20–30 nm spatial resolution ranges are an advanced tool for the inspection of materials at the nanoscale. However, the limited efficiency of the focusing optics, for example, a Fresnel zone plate (ZP) lens, can …
View article: Erratum: Characterisation of Redlen HF-CdZnTe at >10^6 ph s^-1 mm^-2 using HEXITEC_MHz
Erratum: Characterisation of Redlen HF-CdZnTe at >10^6 ph s^-1 mm^-2 using HEXITEC_MHz Open
Erratum: Characterisation of Redlen HF-CdZnTe at >10^6 ph s^-1 mm^-2 using HEXITEC_MHz, B.D. Cline, D. Banks, S. Bell, I. Church, A. Davis, T. Gardiner, J. Harris, M. Hart, L. Jones, T. Nicholls, J. Nobes, S. Pradeep, M. Roberts, D. Sole, …
View article: Characterisation of Redlen HF-CdZnTe at > 10<sup>6</sup> ph s<sup>-1</sup> mm<sup>-2</sup> using HEXITEC<sub>MHz</sub>
Characterisation of Redlen HF-CdZnTe at > 10<sup>6</sup> ph s<sup>-1</sup> mm<sup>-2</sup> using HEXITEC<sub>MHz</sub> Open
In this paper, results are presented from the characterisation of Redlen Technologies high-flux-capable Cadmium Zinc Telluride (HF-CZT) hybridised to the HEXITEC MHz ASIC, a novel 1 MHz continuous X-ray imaging system. A 2 mm thick HF-CZT …
View article: Preliminary characterisation of the HEXITEC<sub>MHz</sub> spectroscopic X-ray imaging detector
Preliminary characterisation of the HEXITEC<sub>MHz</sub> spectroscopic X-ray imaging detector Open
The HEXITEC MHz ASIC is the next generation of the STFC's High Energy X-ray Imaging Technology (HEXITEC). With a ×100 increase in the camera frame rate to 1 MHz, the new ASIC is capable of delivering fully spectroscopic X-ray imaging at ph…
View article: voxTrace: A voxel-based Monte-Carlo ray-tracing code for the simulation of X-ray fluorescence spectra
voxTrace: A voxel-based Monte-Carlo ray-tracing code for the simulation of X-ray fluorescence spectra Open
Confocal micro-X-ray fluorescence analysis (CMXRF), using polycapillary optics, is a powerful technique for the non-destructive investigation of the three-dimensional elemental distribution of samples from many different research areas, in…
View article: Dataset: Alvarez varifocal X-ray lens
Dataset: Alvarez varifocal X-ray lens Open
These are processed datasets used for the publication "Alvarez varifocal X-ray lens". File are in the *.dat and HDF format. . If you require more information and additional data, please contact the corresponding author of this publication,…
View article: Dataset: Alvarez varifocal X-ray lens
Dataset: Alvarez varifocal X-ray lens Open
These are processed datasets used for the publication "Alvarez varifocal X-ray lens". File are in the *.dat and HDF format. . If you require more information and additional data, please contact the corresponding author of this publication,…
View article: Alanine response to low energy synchrotron x-ray radiation
Alanine response to low energy synchrotron x-ray radiation Open
Objective . The radiation response of alanine is very well characterized in the MV photon energy range where it can be used to determine the dose delivered with an accuracy better than 1%, making it suitable as a secondary standard detecto…
View article: Two-dimensional speckle technique for slope error measurements of weakly focusing reflective X-ray optics
Two-dimensional speckle technique for slope error measurements of weakly focusing reflective X-ray optics Open
Speckle-based at-wavelength metrology techniques now play an important role in X-ray wavefront measurements. However, for reflective X-ray optics, the majority of existing speckle-based methods fail to provide reliable 2D information about…
View article: Alvarez varifocal X-ray lens
Alvarez varifocal X-ray lens Open
In the X-ray region, there exist optical elements analogous to lenses and mirrors for visible light. For visible light, a variable focusing power can be achieved by Alvarez lenses which consist of a pair of inline planar refractors with a …
View article: Fast wavefront sensing for X-ray optics with an alternating speckle tracking technique
Fast wavefront sensing for X-ray optics with an alternating speckle tracking technique Open
Advances in accelerator technologies have enabled the continuous development of synchrotron radiation and X-ray free electron laser (XFEL) sources. At the same time, it has been critical to perform in-situ wavefront sensing to aid delivery…
View article: Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography
Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography Open
Aberrations introduced during fabrication degrade the performance of X-ray optics and their ability to achieve diffraction limited focusing. Corrective optics can counteract these errors by introducing wavefront perturbations prior to the …
View article: Dataset: Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography
Dataset: Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography Open
The ptychography datasets and processed wavefront data in support of the publication "Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography". File are in the HDF for…
View article: Dataset: Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography
Dataset: Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography Open
The ptychography datasets and processed wavefront data in support of the publication "Two-dimensional wavefront characterization of adaptable corrective optics and Kirkpatrick–Baez mirror system using ptychography". File are in the HDF for…
View article: Aberration characterization of x-ray optics using multi-modal ptychography and a partially coherent source
Aberration characterization of x-ray optics using multi-modal ptychography and a partially coherent source Open
Ptychography is a scanning coherent diffraction imaging technique that provides high-resolution imaging and complete spatial information of the complex probe and object transmission function. The wavefront error caused by aberrated optics …
View article: Dataset: Aberration characterisation of X-ray optics using multi-modal ptychography and a partially coherent source
Dataset: Aberration characterisation of X-ray optics using multi-modal ptychography and a partially coherent source Open
These are the ptychography datasets used for the publication "Aberration characterisation of X-ray optics using multi-modal ptychography and a partially coherent source". File are in the HDF format and contain a number of datasets detailed…
View article: Dataset: Aberration characterisation of X-ray optics using multi-modal ptychography and a partially coherent source
Dataset: Aberration characterisation of X-ray optics using multi-modal ptychography and a partially coherent source Open
These are the ptychography datasets used for the publication "Aberration characterisation of X-ray optics using multi-modal ptychography and a partially coherent source". File are in the HDF format and contain a number of datasets detailed…
View article: Characterisation of Ge micro-strip sensors with a micro-focused X-ray beam
Characterisation of Ge micro-strip sensors with a micro-focused X-ray beam Open
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View article: Hard X-ray ptychography for optics characterization using a partially coherent synchrotron source
Hard X-ray ptychography for optics characterization using a partially coherent synchrotron source Open
Ptychography is a scanning coherent diffraction imaging technique which provides high resolution imaging and complete spatial information of the complex electric field probe and sample transmission function. Its ability to accurately deter…
View article: Room-temperature performance of 3 mm-thick cadmium–zinc–telluride pixel detectors with sub-millimetre pixelization
Room-temperature performance of 3 mm-thick cadmium–zinc–telluride pixel detectors with sub-millimetre pixelization Open
Cadmium–zinc–telluride (CZT) pixel detectors represent a consolidated choice for the development of room-temperature spectroscopic X-ray imagers, finding important applications in medical imaging, often as detection modules of a variety of…