Megapixels@ Megahertz–the AGIPD high-speed cameras for the European XFEL

A Allahgholi, J Becker, A Delfs, R Dinapoli… - Nuclear Instruments and …, 2019 - Elsevier
The European XFEL is an extremely brilliant Free Electron Laser Source with a very
demanding pulse structure: trains of 2700 X-ray pulses are repeated at 10 Hz. The pulses …

Study of residual stresses in Ti-7Al using theory and experiments

K Chatterjee, JYP Ko, JT Weiss, HT Philipp… - Journal of the …, 2017 - Elsevier
Finite element simulations are carried out to follow the evolution of residual stresses in Ti-
7Al (α-hcp) alloy, as developed under an applied stress gradient. A model built upon …

Practical considerations for high-speed X-ray pixel array detectors and X-ray sensing materials

HT Philipp, MW Tate, KS Shanks, P Purohit… - Nuclear Instruments and …, 2019 - Elsevier
Advances in synchrotron light sources are creating new opportunities for scientific discovery
by producing intense, low-emittance pulses of X-ray illumination. Detectors play a critical link …

Characterization of 128 Î 128 MM-PAD-2.1 ASIC: a fast framing hard x-ray detector with high dynamic range

D Gadkari, KS Shanks, H Hu, HT Philipp… - Journal of …, 2022 - iopscience.iop.org
We characterize a new x-ray Mixed-Mode Pixel Array Detector (MM-PAD-2.1) Application
Specific Integrated Circuit (ASIC). Using an integrating pixel front-end with dynamic charge …

[HTML][HTML] Intermittent plasticity in individual grains: A study using high energy x-ray diffraction

K Chatterjee, AJ Beaudoin, DC Pagan, PA Shade… - Structural …, 2019 - pubs.aip.org
Long-standing evidence suggests that plasticity in metals may proceed in an intermittent
fashion. While the documentation of intermittency in plastically deforming materials has …

Characterization of chromium compensated GaAs as an X-ray sensor material for charge-integrating pixel array detectors

J Becker, MW Tate, KS Shanks, HT Philipp… - Journal of …, 2018 - iopscience.iop.org
We studied the properties of chromium compensated GaAs when coupled to charge
integrating ASICs as a function of detector temperature, applied bias and X-ray tube energy …

Worst-case X-ray photon energies in ultrashort pulse laser processing

K Böttcher, M Schmitt Rahner, U Stolzenberg, S Kraft… - Materials, 2022 - mdpi.com
Ultrashort pulse laser processing can result in the secondary generation of unwanted X-rays
if a critical laser irradiance of about 1013 W cm− 2 is exceeded. Spectral X-ray emissions …

Digital integration: a novel readout concept for XIDER, an X-ray detector for the next generation of synchrotron radiation sources

P Fajardo, F Erdinger, P Fischer, M Ruat… - Journal of …, 2020 - iopscience.iop.org
This paper introduces the incremental digital integration concept, a novel readout scheme
for the front-end of 2D pixelated X-ray detectors. The readout scheme includes features …

High dynamic range CdTe mixed-mode pixel array detector (MM-PAD) for kilohertz imaging of hard x-rays

HT Philipp, MW Tate, KS Shanks… - Journal of …, 2020 - iopscience.iop.org
A hard x-ray, high-speed, high dynamic range scientific x-ray imager is described. The
imager is based on the mixed-mode pixel array detector (MM-PAD) readout chip coupled to …

[HTML][HTML] Synchrotron characterization of high-Z, current-mode x-ray detectors

Q Looker, MG Wood, A Miceli, M Niraula… - Review of Scientific …, 2020 - pubs.aip.org
Fast x-ray detectors are critical tools in pulsed power and fusion applications, where detector
impulse response of a nanosecond or better is often required. Semiconductor detectors can …